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/* fp.S. Floating point instruction set test of Or1ksimCopyright (C) 1999-2006 OpenCoresCopyright (C) 2010 Embecosm LimitedContributors various OpenCores participantsContributor Jeremy Bennett <jeremy.bennett@embecosm.com>This file is part of OpenRISC 1000 Architectural Simulator.This program is free software; you can redistribute it and/or modify itunder the terms of the GNU General Public License as published by the FreeSoftware Foundation; either version 3 of the License, or (at your option)any later version.This program is distributed in the hope that it will be useful, but WITHOUTANY WARRANTY; without even the implied warranty of MERCHANTABILITY orFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License formore details.You should have received a copy of the GNU General Public License alongwith this program. If not, see <http: www.gnu.org/licenses/>. *//* ----------------------------------------------------------------------------* Test coverage** At present the tests are only reasonably comprehensive for lf.add.s and* lf.div.s. This is intended as a template for future work, and still has* omissions even so.** Basic tests are provided for all single precision floating point* numbers. Since Or1ksim translates these operations into host FP, there is* little point in testing more of the subtleties of IEEE 745.** However in future this test could be used with OpenRISC hardware, in which* case exhaustive testing would be essential.* ------------------------------------------------------------------------- */#include "spr-defs.h"#include "board.h"/* ----------------------------------------------------------------------------* Coding conventions** A simple rising stack is provided to starting at _stack and pointed to by* r1. r1 points to the next free word. Only 32-bit registers may be pushed* onto the stack.** Temporary labels up to 49 are reserved for macros and subroutines. Each is* used only once in any macro or subroutine. You can get in a serious mess if* you get local label clashing in macros.** Arguments to functions are passed in r3 through r8.* r9 is the link (return address)* r11 is for returning results* r2 through r11 are not preserved across calls. All other registers are.* ------------------------------------------------------------------------- *//* ----------------------------------------------------------------------------* Memory controller constants* ------------------------------------------------------------------------- */#define MEM_RAM 0x00000000#define MC_CSR (0x00)#define MC_POC (0x04)#define MC_BA_MASK (0x08)#define MC_CSC(i) (0x10 + (i) * 8)#define MC_TMS(i) (0x14 + (i) * 8)/* ----------------------------------------------------------------------------* Floating point constants (IEEE 754)** For the record, the single precision format has 1 sign bit, 8 exponent bits* and 23 fraction bits.** seeeeeeeefffffffffffffffffffffff** The exponent is biased by 2^7 - 1 (i.e 127 is subtracted from the value to* give the actual exponent). Normalized numbers have a non-zero exponent (up* to 2^8 - 2) and an implicit 1 before the fraction. Thus the value* represented is** (-1)^s * 1.fffffffffffffffffffffff * 2^(eeeeeeee - (2^7 - 1))** Special values used are:** Zeroes Exponent is zero, fraction also zero* Denormalized numbers Exponent is zero, fraction non-zero* Infinities Exponent is 2^8 - 1, fraction is zero* NaNs Exponent is 2^8 - 1, fraction is non-zero** The top bit of the fraction in a NaN is often used to indicate the type of* NaN. If 1, it is a "quiet" NaN, if 0 it is a "signalling" NaN. Quiet NaN's* are generally propagated for FP errors. Signalling NaN's can be used for* more unusual purposes** In general any other bits of the NaN fraction are just propagated unchanged.* ------------------------------------------------------------------------- */#define FP_S_P_ZERO (0x00000000) /* Positive zero */#define FP_S_N_ZERO (0x80000000) /* Positive zero */#define FP_S_P_INF (0x7f800000) /* Positive infinity */#define FP_S_N_INF (0xff800000) /* Negative infinity */#define FP_S_P_NAN (0x7fc00000) /* Positive qNaN */#define FP_S_N_NAN (0xffc00000) /* Negative qNaN *//* Some NaNs without all fraction bits set (permitted under IEEE 754) */#define FP_S_P_NAN_B (0x7f800001) /* Positive NaN, not all 1s in frac */#define FP_S_N_NAN_B (0xff800001) /* Negative NaN, not all 1s in frac *//* Some single precision normalized numbers */#define FP_S_0_5 (0x3f000000) /* +0.5 */#define FP_S_ONE (0x3f800000) /* +1.0 */#define FP_S_1_5 (0x3fc00000) /* +1.5 */#define FP_S_TWO (0x40000000) /* +2.0 */#define FP_S_THREE (0x40400000) /* +3.0 */#define FP_S_HUGE1 (0x7e800000) /* +1.0 * 2^+126 */#define FP_S_HUGE2 (0x7f000000) /* +1.0 * 2^+127 */#define FP_S_N_0_5 (0xbf000000) /* -0.5 */#define FP_S_N_ONE (0xbf800000) /* -1.0 */#define FP_S_N_1_5 (0xbfc00000) /* -1.5 */#define FP_S_N_TWO (0xc0000000) /* -2.0 */#define FP_S_N_THREE (0xc0400000) /* -3.0 */#define FP_S_N_HUGE1 (0xfe800000) /* -1.0 * 2^+126 */#define FP_S_N_HUGE2 (0xff000000) /* -1.0 * 2^+127 *//* Some denormalized numbers */#define FP_S_SMALL1 (0x00200000) /* +1.0 * 2^-129 */#define FP_S_SMALL2 (0x00400000) /* +1.0 * 2^-128 */#define FP_S_N_SMALL1 (0x80200000) /* -1.0 * 2^-129 */#define FP_S_N_SMALL2 (0x80400000) /* -1.0 * 2^-128 *//* Indicator of completion */#define ALL_DONE (0xdeaddead)/* Logical values */#define TRUE 1#define FALSE 0/* ----------------------------------------------------------------------------* Macro to push a register onto the stack** r1 points to the next free slot. Push the supplied register on, then* advance the stack pointer.** Arguments:* reg The register to push** Registers modified* r1* ------------------------------------------------------------------------- */#define PUSH(reg) \l.sw 0(r1),reg /* Push */ ;\l.addi r1,r1,4 /* Advance the stack *//* ----------------------------------------------------------------------------* Macro to pop a register off the stack** r1 points to the next free slot. Decrement the stack pointer, then pop the* requested register.** Arguments:* reg The register to pop** Registers modified* r1* ------------------------------------------------------------------------- */#define POP(reg) \l.addi r1,r1,-4 /* Decrement the stack */ ;\l.lws reg,0(r1) /* Pop *//* ----------------------------------------------------------------------------* Macro to load a 32-bit constant into a register** Arguments:* reg The register to load* val The value to load** ------------------------------------------------------------------------- */#define LOAD_CONST(reg,val) \l.movhi reg,hi(val) ;\l.ori reg,reg,lo(val)/* ----------------------------------------------------------------------------* Macro to define and load a pointer to a string** Arguments:* reg The register to load* str The string** ------------------------------------------------------------------------- */#define LOAD_STR(reg,str) \.section .rodata ;\1: ;\.string str ;\;\.section .text ;\l.movhi reg,hi(1b) ;\l.ori reg,reg,lo(1b)/* ----------------------------------------------------------------------------* Macro to print a character** Arguments:* c The character to print* ------------------------------------------------------------------------- */#define PUTC(c) \l.addi r3,r0,c ;\l.nop NOP_PUTC/* ----------------------------------------------------------------------------* Macro for recording the result of a test** The test result is in r4. Print out the name of test indented two spaces,* followed by ": ", either "OK" or "Failed" and a newline.** Arguments:* str Textual name of the test* reg The result to test (not r2)* val Desired result of the test* ------------------------------------------------------------------------- */#define CHECK_RES(str,reg,val) \.section .rodata ;\2: ;\.string str ;\;\.section .text ;\PUSH (reg) /* Save the register to test */ ;\;\LOAD_CONST (r3,2b) /* Print out the string */ ;\l.jal _ptest ;\l.nop ;\;\LOAD_CONST(r2,val) /* The desired result */ ;\POP (reg) /* The register to test */ ;\PUSH (reg) /* May need again later */ ;\l.sfeq r2,reg /* Does the result match? */ ;\l.bf 3f ;\l.nop ;\;\l.jal _pfail /* Test failed */ ;\l.nop ;\POP (reg) /* Report the register */ ;\l.add r3,r0,reg ;\l.j 4f ;\l.nop NOP_REPORT ;\3: ;\POP (reg) /* Discard the register */ ;\l.jal _pok /* Test succeeded */ ;\l.nop ;\4:/* ----------------------------------------------------------------------------* Macro for recording the result of a comparison** If the flag is set print the string argument indented by 2 spaces, followed* by "TRUE" and a newline, otherwise print the string argument indented by* two spaces, followed by "FALSE" and a newline.** Arguments:* str Textual name of the test* res Expected result (TRUE or FALSE)* ------------------------------------------------------------------------- */#define CHECK_FLAG(str,res) \.section .rodata ;\5: ;\.string str ;\;\.section .text ;\l.bnf 7f /* Branch if result FALSE */ ;\;\/* Branch for TRUE result */ ;\LOAD_CONST (r3,5b) /* The string to print */ ;\l.jal _ptest ;\l.nop ;\;\l.addi r2,r0,TRUE /* Was it expected? */ ;\l.addi r3,r0,res ;\l.sfeq r2,r3 ;\l.bnf 6f /* Branch if not expected */ ;\;\/* Sub-branch for TRUE found and expected */ ;\l.jal _ptrue ;\l.nop ;\PUTC ('\n') ;\l.j 9f ;\l.nop ;\6: ;\/* Sub-branch for TRUE found and not expected */ ;\l.jal _ptrue ;\l.nop ;\l.jal _punexpected ;\l.nop ;\l.j 9f ;\l.nop ;\;\7: ;\/* Branch for FALSE result */ ;\LOAD_CONST (r3,5b) /* The string to print */ ;\l.jal _ptest ;\l.nop ;\;\l.addi r2,r0,FALSE /* Was it expected? */ ;\l.addi r3,r0,res ;\l.sfeq r2,r3 ;\l.bnf 8f /* Branch if not expected */ ;\;\/* Sub-branch for FALSE found and expected */ ;\l.jal _pfalse ;\l.nop ;\PUTC ('\n') ;\l.j 9f ;\l.nop ;\8: ;\/* Sub-branch for FALSE found and not expected */ ;\l.jal _pfalse ;\l.nop ;\l.jal _punexpected ;\l.nop ;\9:/* ----------------------------------------------------------------------------* Simple stack, will be pointed to by r1, which is the next empty slot* ------------------------------------------------------------------------- */.section .data.balign 4.global _stack_stack:.space 0x1000,0x0/* ----------------------------------------------------------------------------* reset exception* ------------------------------------------------------------------------- */.section .except, "ax"l.addi r1,r0,0.section .text.org 0x100_reset:l.movhi r1,hi(_stack) /* Set up the stack */l.ori r1,r1,lo(_stack)l.movhi r3,hi(_init_mc) /* Code starts with MC setup */l.ori r3,r3,lo(_init_mc)l.jr r3l.nop/* ----------------------------------------------------------------------------* Subroutine to print out a string** The string is followed by a newline** Parameters:* r3 Pointer to the string to print* ------------------------------------------------------------------------- */_puts:l.add r2,r0,r3 /* Copy the string pointer *//* Loop getting and printing each char until end of string */10:l.lbz r3,0(r2)l.sfeq r3,r0 /* NULL termination? */l.bf 11fl.addi r2,r2,1 /* Delay slot, move to next char */l.j 10b /* Repeat */l.nop NOP_PUTC /* Delay slot */11:l.jr r9 /* Return */l.nop/* ----------------------------------------------------------------------------* Subroutine to print out a test name prompt** The string is preceded by two spaces** Parameters:* r3 Pointer to the test name to print* ------------------------------------------------------------------------- */_ptest:PUSH(r9) /* Save the return address */PUSH(r3) /* Save the test name for later */LOAD_STR(r3, " ") /* Prefix */l.jal _putsl.nopPOP(r3) /* Test name */l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Subroutine to print out "OK"** The string is followed by a newline* ------------------------------------------------------------------------- */_pok:PUSH(r9) /* Save the return address */LOAD_STR(r3, "OK\n")l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Subroutine to print out "Failed"** The string is followed by a ": ", which will then allow a report* ------------------------------------------------------------------------- */_pfail:PUSH(r9) /* Save the return address */LOAD_STR(r3, "Failed: ")l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Subroutine to print out "TRUE"* ------------------------------------------------------------------------- */_ptrue:PUSH(r9) /* Save the return address */LOAD_STR(r3, "TRUE")l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Subroutine to print out "FALSE"* ------------------------------------------------------------------------- */_pfalse:PUSH(r9) /* Save the return address */LOAD_STR(r3, "FALSE")l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Subroutine to print out "unexpected"** Preceded by a space and followed by a newline* ------------------------------------------------------------------------- */_punexpected:PUSH(r9) /* Save the return address */LOAD_STR(r3, " unexpected\n")l.jal _putsl.nopPOP (r9)l.jr r9/* ----------------------------------------------------------------------------* Memory controller initialization initialization* ------------------------------------------------------------------------- */_init_mc:l.movhi r3,hi(MC_BASE_ADDR)l.ori r3,r3,lo(MC_BASE_ADDR)l.addi r4,r3,MC_CSC(0)l.movhi r5,hi(FLASH_BASE_ADDR)l.srai r5,r5,6l.ori r5,r5,0x0025l.sw 0(r4),r5l.addi r4,r3,MC_TMS(0)l.movhi r5,hi(FLASH_TMS_VAL)l.ori r5,r5,lo(FLASH_TMS_VAL)l.sw 0(r4),r5l.addi r4,r3,MC_BA_MASKl.addi r5,r0,MC_MASK_VALl.sw 0(r4),r5l.addi r4,r3,MC_CSRl.movhi r5,hi(MC_CSR_VAL)l.ori r5,r5,lo(MC_CSR_VAL)l.sw 0(r4),r5l.addi r4,r3,MC_TMS(1)l.movhi r5,hi(SDRAM_TMS_VAL)l.ori r5,r5,lo(SDRAM_TMS_VAL)l.sw 0(r4),r5l.addi r4,r3,MC_CSC(1)l.movhi r5,hi(SDRAM_BASE_ADDR)l.srai r5,r5,6l.ori r5,r5,0x0411l.sw 0(r4),r5/* ----------------------------------------------------------------------------* Test of single precision add: lf.add.s* ------------------------------------------------------------------------- */.section .text_add_s:LOAD_STR (r3, "lf.add.s\n")l.jal _putsl.nop/* Simple integer addition */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + 0.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_ZERO)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -0.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + 1.0 = 2.0: ", r4, FP_S_TWO)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_ONE)lf.add.s r4,r5,r6CHECK_RES (" 2.0 + 1.0 = 3.0: ", r4, FP_S_THREE)/* Fractional addition */LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_1_5)lf.add.s r4,r5,r6CHECK_RES (" 1.5 + 1.5 = 3.0: ", r4, FP_S_THREE)/* Addition with negative numbers */LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_N_ONE)lf.add.s r4,r5,r6CHECK_RES (" 2.0 + -1.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_TWO)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -2.0 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_ONE)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -1.0 = +0.0: ", r4, FP_S_P_ZERO)/* Addition with infinities */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + +inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_INF)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -inf = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_P_INF)lf.add.s r4,r5,r6CHECK_RES ("+inf + +inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_N_INF)lf.add.s r4,r5,r6CHECK_RES ("+inf + -inf = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_N_INF)lf.add.s r4,r5,r6CHECK_RES ("-inf + -inf = -inf: ", r4, FP_S_N_INF)/* Addition with NaNs */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_NAN)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -NaN = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_P_NAN)lf.add.s r4,r5,r6CHECK_RES ("+NaN + +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.add.s r4,r5,r6CHECK_RES ("+NaN + -NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.add.s r4,r5,r6CHECK_RES ("-NaN + -NaN = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN_B)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + +sNaN = +qNaN: ", r4, 0x7fc00001)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_NAN_B)lf.add.s r4,r5,r6CHECK_RES (" 1.0 + -sNaN = -qNaN: ", r4, 0xffc00001)/* Addition with overflow */LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_HUGE2)lf.add.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 + 1.0 * 2^127 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_HUGE2)LOAD_CONST (r6,FP_S_N_HUGE2)lf.add.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 + -1.0 * 2^127 = -inf: ", r4, FP_S_N_INF)/* ----------------------------------------------------------------------------* Test of single precision custom instruction: lf.cust1.s* ------------------------------------------------------------------------- */_cust1_s:LOAD_STR (r3, "lf.cust1.s\n")l.jal _putsl.nop/* Just test that the instruction does nothing */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.cust1.s r4,r5 /* Should do nothing */CHECK_RES ("l.cust1: ", r4, FP_S_ONE)/* ----------------------------------------------------------------------------* Test of single precision divide instruction: lf.div.s* ------------------------------------------------------------------------- */_div_s:LOAD_STR (r3, "lf.div.s\n")l.jal _putsl.nop/* Tests of integer division */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / 1.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES (" 2.0 / 1.0 = 2.0: ", r4, FP_S_TWO)/* Test division with fractional result */LOAD_CONST (r5,FP_S_THREE)LOAD_CONST (r6,FP_S_TWO)lf.div.s r4,r5,r6CHECK_RES (" 3.0 / 2.0 = 1.5: ", r4, FP_S_1_5)/* Test division of zero */LOAD_CONST (r5,FP_S_P_ZERO)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("+0.0 / 1.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("-0.0 / 1.0 = -0.0: ", r4, FP_S_N_ZERO)/* Test signed division */LOAD_CONST (r5,FP_S_N_THREE)LOAD_CONST (r6,FP_S_TWO)lf.div.s r4,r5,r6CHECK_RES ("-3.0 / 2.0 = -1.5: ", r4, FP_S_N_1_5)LOAD_CONST (r5,FP_S_THREE)LOAD_CONST (r6,FP_S_N_TWO)lf.div.s r4,r5,r6CHECK_RES (" 3.0 / -2.0 = -1.5: ", r4, FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_THREE)LOAD_CONST (r6,FP_S_N_TWO)lf.div.s r4,r5,r6CHECK_RES ("-3.0 / -2.0 = -1.5: ", r4, FP_S_1_5)/* Division by zero */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / +0.0 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / -0.0 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / +0.0 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / -0.0 = -inf: ", r4, FP_S_N_INF)/* Division with infinities */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / +inf = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_INF)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / -inf = -0.0: ", r4, FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / +inf = -0.0: ", r4, FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_N_INF)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / -inf = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("+inf / 1.0 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("-inf / 1.0 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_N_ONE)lf.div.s r4,r5,r6CHECK_RES ("+inf / -1.0 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_N_ONE)lf.div.s r4,r5,r6CHECK_RES ("-inf / -1.0 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_P_INF)lf.div.s r4,r5,r6CHECK_RES ("+inf / +inf = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_N_INF)lf.div.s r4,r5,r6CHECK_RES ("+inf / -inf = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_P_INF)lf.div.s r4,r5,r6CHECK_RES ("-inf / +inf = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_N_INF)lf.div.s r4,r5,r6CHECK_RES ("-inf / -inf = -NaN: ", r4, FP_S_N_NAN)/* Division with NaNs */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_NAN)lf.div.s r4,r5,r6CHECK_RES (" 1.0 / -NaN = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_N_NAN)lf.div.s r4,r5,r6CHECK_RES ("-1.0 / -NaN = 1NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("+NaN / 1.0 = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_ONE)lf.div.s r4,r5,r6CHECK_RES ("-NaN / 1.0 = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_N_ONE)lf.div.s r4,r5,r6CHECK_RES ("+NaN / -1.0 = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_N_ONE)lf.div.s r4,r5,r6CHECK_RES ("-NaN / -1.0 = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_P_NAN)lf.div.s r4,r5,r6CHECK_RES ("+NaN / +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.div.s r4,r5,r6CHECK_RES ("+NaN / -NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_P_NAN)lf.div.s r4,r5,r6CHECK_RES ("-NaN / +NaN = -NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.div.s r4,r5,r6CHECK_RES ("-NaN / -NaN = -NaN: ", r4, FP_S_N_NAN)/* Division with overflow */LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_SMALL1)lf.div.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 / 1.0 * 2^-129 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_HUGE2)LOAD_CONST (r6,FP_S_SMALL1)lf.div.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 / 1.0 * 2^-129 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_N_SMALL1)lf.div.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 / -1.0 * 2^-129 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_N_HUGE2)LOAD_CONST (r6,FP_S_N_SMALL1)lf.div.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 / -1.0 * 2^-129 = +inf: ", r4, FP_S_P_INF)/* Division with underflow */LOAD_CONST (r5,FP_S_SMALL1)LOAD_CONST (r6,FP_S_HUGE1)lf.div.s r4,r5,r6CHECK_RES (" 1.0 * 2^-129 / 1.0 * 2^127 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_SMALL1)LOAD_CONST (r6,FP_S_HUGE1)lf.div.s r4,r5,r6CHECK_RES ("-1.0 * 2^-129 / 1.0 * 2^127 = -0.0: ", r4, FP_S_N_ZERO)LOAD_CONST (r5,FP_S_SMALL1)LOAD_CONST (r6,FP_S_N_HUGE1)lf.div.s r4,r5,r6CHECK_RES (" 1.0 * 2^-129 / -1.0 * 2^127 = -0.0: ", r4, FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_SMALL1)LOAD_CONST (r6,FP_S_N_HUGE1)lf.div.s r4,r5,r6CHECK_RES ("-1.0 * 2^-129 / -1.0 * 2^127 = +0.0: ", r4, FP_S_P_ZERO)/* Needs tests of normalization to denormalization *//* ----------------------------------------------------------------------------* Test of single precision fp to integer conversion: lf.ftoi.s* ------------------------------------------------------------------------- */v_ftoi_s:LOAD_STR (r3, "lf.ftoi.s\n")l.jal _putsl.nop/* Integer conversion */LOAD_CONST (r5,FP_S_ONE)lf.ftoi.s r4,r5CHECK_RES ("(int) 1.0 = 1: ", r4, 0x00000001)LOAD_CONST (r5,FP_S_N_ONE)lf.ftoi.s r4,r5CHECK_RES ("(int) -1.0 = -1: ", r4, 0xffffffff)LOAD_CONST (r5,FP_S_P_ZERO)lf.ftoi.s r4,r5CHECK_RES ("(int) +0.0 = 0: ", r4, 0x00000000)LOAD_CONST (r5,FP_S_N_ZERO)lf.ftoi.s r4,r5CHECK_RES ("(int) -0.0 = 0: ", r4, 0x00000000)/* Fractional conversion (round towards zero) */LOAD_CONST (r5,FP_S_1_5)lf.ftoi.s r4,r5CHECK_RES ("(int) 1.5 = 1: ", r4, 0x00000001)LOAD_CONST (r5,FP_S_N_1_5)lf.ftoi.s r4,r5CHECK_RES ("(int) -1.5 = -1: ", r4, 0xffffffff)/* Conversion of values too big */LOAD_CONST (r5,FP_S_HUGE1)lf.ftoi.s r4,r5CHECK_RES ("(int) 1.0 * 2^126 = -2^31: ", r4, 0x80000000)LOAD_CONST (r5,FP_S_N_HUGE1)lf.ftoi.s r4,r5CHECK_RES ("(int) -1.0 * 2^126 = -2^31: ", r4, 0x80000000)/* Conversion of very small values */LOAD_CONST (r5,FP_S_SMALL1)lf.ftoi.s r4,r5CHECK_RES ("(int) 1.0 * 2^-129 = 0: ", r4, 0x00000000)LOAD_CONST (r5,FP_S_N_SMALL1)lf.ftoi.s r4,r5CHECK_RES ("(int) -1.0 * 2^-129 = 0: ", r4, 0x00000000)/* Just basic check of Infinity & NaN */LOAD_CONST (r5,FP_S_P_INF)lf.ftoi.s r4,r5CHECK_RES ("(int) +inf = -2^31: ", r4, 0x80000000)LOAD_CONST (r5,FP_S_N_INF)lf.ftoi.s r4,r5CHECK_RES ("(int) -inf = -2^31: ", r4, 0x80000000)LOAD_CONST (r5,FP_S_P_NAN)lf.ftoi.s r4,r5CHECK_RES ("(int) +NaN = -2^31: ", r4, 0x80000000)LOAD_CONST (r5,FP_S_N_NAN)lf.ftoi.s r4,r5CHECK_RES ("(int) -NaN = -2^31: ", r4, 0x80000000)/* ----------------------------------------------------------------------------* Test of single precision integer to fp conversion: lf.itof.s* ------------------------------------------------------------------------- */_itof_s:LOAD_STR (r3, "lf.itof.s\n")l.jal _putsl.nop/* Integer conversion */LOAD_CONST (r5,FP_S_ONE)lf.ftoi.s r4,r5CHECK_RES ("(float) 1.0 = 1: ", r4, 0x00000001)LOAD_CONST (r5,FP_S_N_ONE)lf.ftoi.s r4,r5CHECK_RES ("(float) -1.0 = -1: ", r4, 0xffffffff)LOAD_CONST (r5,FP_S_P_ZERO)lf.ftoi.s r4,r5CHECK_RES ("(float) +0.0 = 0: ", r4, 0x00000000)LOAD_CONST (r5,FP_S_N_ZERO)lf.ftoi.s r4,r5CHECK_RES ("(float) -0.0 = 0: ", r4, 0x00000000)/* ----------------------------------------------------------------------------* Test of single precision multiply and add: lf.madd.s* ------------------------------------------------------------------------- */_madd_s:LOAD_STR (r3, "lf.madd.s\n")l.jal _putsl.nop/* Test of integer multiply and add */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 + 1.0 * 1.0 = 2.0: ", r4, FP_S_TWO)/* Multiply and add with fractions */LOAD_CONST (r4,FP_S_0_5)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES (" 0.5 + 1.0 * 1.0 = 1.5: ", r4, FP_S_1_5)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_0_5)LOAD_CONST (r6,FP_S_TWO)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 + 0.5 * 2.0 = 2.0: ", r4, FP_S_TWO)/* Multiply and add with negative numbers */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_TWO)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 + -1.0 * 2.0 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r4,FP_S_N_TWO)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_0_5)lf.madd.s r4,r5,r6CHECK_RES ("-2.0 + 2.0 * 0.5 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r4,FP_S_N_0_5)LOAD_CONST (r5,FP_S_N_0_5)LOAD_CONST (r6,FP_S_THREE)lf.madd.s r4,r5,r6CHECK_RES ("-0.5 + -0.5 * 3.0 = -2.0: ", r4, FP_S_N_TWO)/* Multiply and add with zeros (more needed) */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)LOAD_CONST (r6,FP_S_P_ZERO)lf.madd.s r4,r5,r6CHECK_RES ("+0.0 + +0.0 * +0.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)LOAD_CONST (r6,FP_S_N_ZERO)lf.madd.s r4,r5,r6CHECK_RES ("-0.0 + +0.0 * -0.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)LOAD_CONST (r6,FP_S_N_ZERO)lf.madd.s r4,r5,r6CHECK_RES ("-0.0 + -0.0 * -0.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r4,FP_S_N_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES ("-1.0 + 1.0 * 1.0 = +0.0: ", r4, FP_S_P_ZERO)/* Multiply and add with infinities (more needed) */LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES ("+inf + 1.0 * 1.0 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 + 1.0 * +inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.madd.s r4,r5,r6CHECK_RES ("+inf + 1.0 * +inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES ("-inf + 1.0 * 1.0 = -inf: ", r4, FP_S_N_INF)/* Multiply and add with NaNs (more needed) */LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES ("+NaN + 1.0 * 1.0 = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 + 1.0 * +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.madd.s r4,r5,r6CHECK_RES ("+NaN + 1.0 * +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES ("-NaN + 1.0 * 1.0 = -NaN: ", r4, FP_S_N_NAN)/* Multiply and add with overflow (more needed) */LOAD_CONST (r4,FP_S_HUGE2)LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_ONE)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 + 1.0 * 2^127 * 1.0 = +inf: ",r4, FP_S_P_INF)LOAD_CONST (r4,FP_S_HUGE2)LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_SMALL1)lf.madd.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 + 1.0 * 2^127 * 1.0 * 2^-129 = +inf: ",r4, FP_S_HUGE2)/* ----------------------------------------------------------------------------* Test of single precision multiply: lf.mul.s* ------------------------------------------------------------------------- */_mul_s:LOAD_STR (r3, "lf.mul.s\n")l.jal _putsl.nop/* Tests of integer multiplication */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.mul.s r4,r5,r6CHECK_RES (" 1.0 * 1.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_THREE)LOAD_CONST (r6,FP_S_ONE)lf.mul.s r4,r5,r6CHECK_RES (" 3.0 * 1.0 = 3.0: ", r4, FP_S_THREE)/* Multiplication with fractions */LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_TWO)lf.mul.s r4,r5,r6CHECK_RES (" 1.5 * 2.0 = 3.0: ", r4, FP_S_THREE)/* Multiplication with negative numbers */LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_TWO)lf.mul.s r4,r5,r6CHECK_RES ("-1.0 * 2.0 = -2.0: ", r4, FP_S_N_TWO)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_N_TWO)lf.mul.s r4,r5,r6CHECK_RES ("-1.0 * -2.0 = +2.0: ", r4, FP_S_TWO)/* Multiplication with zeros */LOAD_CONST (r5,FP_S_P_ZERO)LOAD_CONST (r6,FP_S_TWO)lf.mul.s r4,r5,r6CHECK_RES ("+0.0 * 2.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)LOAD_CONST (r6,FP_S_TWO)lf.mul.s r4,r5,r6CHECK_RES ("+0.0 * 2.0 = +0.0: ", r4, FP_S_N_ZERO)/* Multiplication with infinities (more needed) */LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_N_TWO)lf.mul.s r4,r5,r6CHECK_RES ("+inf * -2.0 = -inf: ", r4, FP_S_N_INF)/* Multiplication with NaNs (more needed) */LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_TWO)lf.mul.s r4,r5,r6CHECK_RES ("+NaN * 2.0 = +NaN: ", r4, FP_S_P_NAN)/* Multiplication overflow */LOAD_CONST (r5,FP_S_HUGE1)LOAD_CONST (r6,FP_S_HUGE1)lf.mul.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 * 1.0 * 2^127 = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_HUGE1)LOAD_CONST (r6,FP_S_HUGE1)lf.mul.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 * 1.0 * 2^127 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_HUGE1)LOAD_CONST (r6,FP_S_N_HUGE1)lf.mul.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 * -1.0 * 2^127 = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_N_HUGE1)LOAD_CONST (r6,FP_S_N_HUGE1)lf.mul.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 * -1.0 * 2^127 = +inf: ", r4, FP_S_P_INF)/* ----------------------------------------------------------------------------* Test of single precision remainder: lf.rem.s* ------------------------------------------------------------------------- */_rem_s:LOAD_STR (r3, "lf.rem.s\n")l.jal _putsl.nop/* Tests of integer remainder */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.rem.s r4,r5,r6CHECK_RES (" 1.0 % 1.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES (" 1.0 % 2.0 = 1.0: ", r4, FP_S_ONE)/* Remainder with fractions */LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES (" 1.5 % 2.0 = 1.5: ", r4, FP_S_1_5)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_1_5)lf.rem.s r4,r5,r6CHECK_RES (" 2.0 % 1.5 = 0.5: ", r4, FP_S_0_5)LOAD_CONST (r5,FP_S_THREE)LOAD_CONST (r6,FP_S_1_5)lf.rem.s r4,r5,r6CHECK_RES (" 3.0 % 1.5 = +0.0: ", r4, FP_S_P_ZERO)/* Remainder with negative numbers */LOAD_CONST (r5,FP_S_N_THREE)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("-3.0 % 2.0 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r5,FP_S_N_THREE)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("-3.0 % 2.0 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r5,FP_S_THREE)LOAD_CONST (r6,FP_S_N_TWO)lf.rem.s r4,r5,r6CHECK_RES (" 3.0 % -2.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_N_THREE)LOAD_CONST (r6,FP_S_N_TWO)lf.rem.s r4,r5,r6CHECK_RES ("-3.0 % -2.0 = -1.0: ", r4, FP_S_N_ONE)/* Remainder with zeros (more are needed) */LOAD_CONST (r5,FP_S_P_ZERO)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("+0.0 % 2.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("-0.0 % 2.0 = -0.0: ", r4, FP_S_N_ZERO)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_P_ZERO)lf.rem.s r4,r5,r6CHECK_RES (" 2.0 % +0.0 = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_TWO)LOAD_CONST (r6,FP_S_P_ZERO)lf.rem.s r4,r5,r6CHECK_RES ("-2.0 % +0.0 = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_N_ZERO)lf.rem.s r4,r5,r6CHECK_RES (" 2.0 % -0.0 = -NaN: ", r4, FP_S_N_NAN)/* Remainder with infinities (more are needed) */LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_P_INF)lf.rem.s r4,r5,r6CHECK_RES (" 2.0 % +inf = 2.0: ", r4, FP_S_TWO)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("+inf % 2.0 = -NaN: ", r4, FP_S_N_NAN)/* Remainder with NaNs (more are needed) */LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_P_NAN)lf.rem.s r4,r5,r6CHECK_RES (" 2.0 % +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_TWO)lf.rem.s r4,r5,r6CHECK_RES ("+NaN % 2.0 = +NaN: ", r4, FP_S_P_NAN)/* Remainder with overflow of division (more are needed) */LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_SMALL1)lf.rem.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 % 1.0 * 2^-129 = +0.0: ", r4, FP_S_P_ZERO)/* Remainder with underflow (more are needed) */LOAD_CONST (r5,FP_S_SMALL1)LOAD_CONST (r6,FP_S_HUGE2)lf.rem.s r4,r5,r6CHECK_RES (" 1.0 * 2^-129 % 1.0 * 2^127 = +0.0: ", r4, FP_S_SMALL1)/* Remainder with denormalization (more are needed) *//* ----------------------------------------------------------------------------* Test of single precision set flag if equal: lf.sfeq.s* ------------------------------------------------------------------------- */_sfeq_s:LOAD_STR (r3, "lf.sfeq.s\n")l.jal _putsl.nop/* Tests of integer equality */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 == 1.0: ", TRUE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 == 2.0: ", FALSE)/* Fractional equality */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfeq.s r4,r5CHECK_FLAG (" 1.5 == 1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sfeq.s r4,r5CHECK_FLAG (" 1.5 == 0.5: ", FALSE)/* Signed equality */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfeq.s r4,r5CHECK_FLAG ("-1.5 == -1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfeq.s r4,r5CHECK_FLAG (" 1.5 == -1.5: ", FALSE)/* Equality of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfeq.s r4,r5CHECK_FLAG ("+0.0 == +0.0: ", TRUE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfeq.s r4,r5CHECK_FLAG ("-0.0 == -0.0: ", TRUE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfeq.s r4,r5CHECK_FLAG ("+0.0 == -0.0: ", TRUE)/* Equality with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 == +inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfeq.s r4,r5CHECK_FLAG ("+inf == +inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfeq.s r4,r5CHECK_FLAG ("-inf == -inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfeq.s r4,r5CHECK_FLAG ("+inf == -inf: ", FALSE)/* Equality with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 == +NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfeq.s r4,r5CHECK_FLAG ("+NaN == +NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfeq.s r4,r5CHECK_FLAG ("-NaN == -NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfeq.s r4,r5CHECK_FLAG ("+NaN == -NaN: ", FALSE)/* Equality with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 == 1.0 * 2^-129: ", TRUE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 == 1.0 * 2^-128: ", FALSE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfeq.s r4,r5CHECK_FLAG (" 1.0 * 2^126 == 1.0 * 2^-128: ", FALSE)/* ----------------------------------------------------------------------------* Test of single precision set flag if greater than or equal: lf.sfge.s* ------------------------------------------------------------------------- */_sfge_s:LOAD_STR (r3, "lf.sfge.s\n")l.jal _putsl.nop/* Tests of integer greater than or equality */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 >= 1.0: ", TRUE)LOAD_CONST (r4,FP_S_TWO)LOAD_CONST (r5,FP_S_ONE)lf.sfge.s r4,r5CHECK_FLAG (" 2.0 >= 1.0: ", TRUE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 >= 2.0: ", FALSE)/* Fractional greater than or equality */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfge.s r4,r5CHECK_FLAG (" 1.5 >= 1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sfge.s r4,r5CHECK_FLAG (" 1.5 >= 0.5: ", TRUE)LOAD_CONST (r4,FP_S_0_5)LOAD_CONST (r5,FP_S_1_5)lf.sfge.s r4,r5CHECK_FLAG (" 0.5 >= 1.5: ", FALSE)/* Signed greater than or equality */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfge.s r4,r5CHECK_FLAG ("-1.5 >= -1.5: ", TRUE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_0_5)lf.sfge.s r4,r5CHECK_FLAG ("-1.5 >= -0.5: ", FALSE)LOAD_CONST (r4,FP_S_N_0_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfge.s r4,r5CHECK_FLAG ("-0.5 >= -1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfge.s r4,r5CHECK_FLAG (" 1.5 >= -1.5: ", TRUE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfge.s r4,r5CHECK_FLAG ("-1.5 >= 1.5: ", FALSE)/* Greater than or equality of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfge.s r4,r5CHECK_FLAG ("+0.0 >= +0.0: ", TRUE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfge.s r4,r5CHECK_FLAG ("-0.0 >= -0.0: ", TRUE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfge.s r4,r5CHECK_FLAG ("+0.0 >= -0.0: ", TRUE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfge.s r4,r5CHECK_FLAG ("-0.0 >= +0.0: ", TRUE)/* Greater than or equality with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 >= +inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfge.s r4,r5CHECK_FLAG ("+inf >= 1.0: ", TRUE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_N_INF)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 >= -inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfge.s r4,r5CHECK_FLAG ("-inf >= 1.0: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfge.s r4,r5CHECK_FLAG ("+inf >= +inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfge.s r4,r5CHECK_FLAG ("-inf >= -inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfge.s r4,r5CHECK_FLAG ("+inf >= -inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfge.s r4,r5CHECK_FLAG ("-inf >= +inf: ", FALSE)/* Greater than or equality with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 >= +NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfge.s r4,r5CHECK_FLAG ("+NaN >= +NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfge.s r4,r5CHECK_FLAG ("-NaN >= -NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfge.s r4,r5CHECK_FLAG ("+NaN >= -NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfge.s r4,r5CHECK_FLAG ("-NaN >= +NaN: ", FALSE)/* Greater than or equality with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 >= 1.0 * 2^-129: ", TRUE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 >= 1.0 * 2^-128: ", FALSE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_SMALL1)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 >= 1.0 * 2^-129: ", TRUE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 * 2^126 >= 1.0 * 2^-128: ", TRUE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_HUGE1)lf.sfge.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 >= 1.0 * 2^126: ", FALSE)/* ----------------------------------------------------------------------------* Test of single precision set flag if greater than: lf.sfgt.s* ------------------------------------------------------------------------- */_sfgt_s:LOAD_STR (r3, "lf.sfgt.s\n")l.jal _putsl.nop/* Tests of integer greater than */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 > 1.0: ", FALSE)LOAD_CONST (r4,FP_S_TWO)LOAD_CONST (r5,FP_S_ONE)lf.sfgt.s r4,r5CHECK_FLAG (" 2.0 > 1.0: ", TRUE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 > 2.0: ", FALSE)/* Fractional greater than */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfgt.s r4,r5CHECK_FLAG (" 1.5 > 1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sfgt.s r4,r5CHECK_FLAG (" 1.5 > 0.5: ", TRUE)LOAD_CONST (r4,FP_S_0_5)LOAD_CONST (r5,FP_S_1_5)lf.sfgt.s r4,r5CHECK_FLAG (" 0.5 > 1.5: ", FALSE)/* Signed greater than */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfgt.s r4,r5CHECK_FLAG ("-1.5 > -1.5: ", FALSE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_0_5)lf.sfgt.s r4,r5CHECK_FLAG ("-1.5 > -0.5: ", FALSE)LOAD_CONST (r4,FP_S_N_0_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfgt.s r4,r5CHECK_FLAG ("-0.5 > -1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfgt.s r4,r5CHECK_FLAG (" 1.5 > -1.5: ", TRUE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfgt.s r4,r5CHECK_FLAG ("-1.5 > 1.5: ", FALSE)/* Greater than of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfgt.s r4,r5CHECK_FLAG ("+0.0 > +0.0: ", FALSE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfgt.s r4,r5CHECK_FLAG ("-0.0 > -0.0: ", FALSE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfgt.s r4,r5CHECK_FLAG ("+0.0 > -0.0: ", FALSE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfgt.s r4,r5CHECK_FLAG ("-0.0 > +0.0: ", FALSE)/* Greater than with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 > +inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfgt.s r4,r5CHECK_FLAG ("+inf > 1.0: ", TRUE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_N_INF)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 > -inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfgt.s r4,r5CHECK_FLAG ("-inf > 1.0: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfgt.s r4,r5CHECK_FLAG ("+inf > +inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfgt.s r4,r5CHECK_FLAG ("-inf > -inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfgt.s r4,r5CHECK_FLAG ("+inf > -inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfgt.s r4,r5CHECK_FLAG ("-inf > +inf: ", FALSE)/* Greater than with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 > +NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfgt.s r4,r5CHECK_FLAG ("+NaN > +NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfgt.s r4,r5CHECK_FLAG ("-NaN > -NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfgt.s r4,r5CHECK_FLAG ("+NaN > -NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfgt.s r4,r5CHECK_FLAG ("-NaN > +NaN: ", FALSE)/* Greater than with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 > 1.0 * 2^-129: ", FALSE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 > 1.0 * 2^-128: ", FALSE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_SMALL1)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 > 1.0 * 2^-129: ", TRUE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 * 2^126 > 1.0 * 2^-128: ", TRUE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_HUGE1)lf.sfgt.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 > 1.0 * 2^126: ", FALSE)/* ----------------------------------------------------------------------------* Test of single precision set flag if less than or equal: lf.sfle.s* ------------------------------------------------------------------------- */_sfle_s:LOAD_STR (r3, "lf.sfle.s\n")l.jal _putsl.nop/* Tests of integer less than or equality */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 <= 1.0: ", TRUE)LOAD_CONST (r4,FP_S_TWO)LOAD_CONST (r5,FP_S_ONE)lf.sfle.s r4,r5CHECK_FLAG (" 2.0 <= 1.0: ", FALSE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 <= 2.0: ", TRUE)/* Fractional less than or equality */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfle.s r4,r5CHECK_FLAG (" 1.5 <= 1.5: ", TRUE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sfle.s r4,r5CHECK_FLAG (" 1.5 <= 0.5: ", FALSE)LOAD_CONST (r4,FP_S_0_5)LOAD_CONST (r5,FP_S_1_5)lf.sfle.s r4,r5CHECK_FLAG (" 0.5 <= 1.5: ", TRUE)/* Signed less than or equality */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfle.s r4,r5CHECK_FLAG ("-1.5 <= -1.5: ", TRUE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_0_5)lf.sfle.s r4,r5CHECK_FLAG ("-1.5 <= -0.5: ", TRUE)LOAD_CONST (r4,FP_S_N_0_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfle.s r4,r5CHECK_FLAG ("-0.5 <= -1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfle.s r4,r5CHECK_FLAG (" 1.5 <= -1.5: ", FALSE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfle.s r4,r5CHECK_FLAG ("-1.5 <= 1.5: ", TRUE)/* Less than or equality of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfle.s r4,r5CHECK_FLAG ("+0.0 <= +0.0: ", TRUE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfle.s r4,r5CHECK_FLAG ("-0.0 <= -0.0: ", TRUE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfle.s r4,r5CHECK_FLAG ("+0.0 <= -0.0: ", TRUE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfle.s r4,r5CHECK_FLAG ("-0.0 <= +0.0: ", TRUE)/* Less than or equality with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 <= +inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfle.s r4,r5CHECK_FLAG ("+inf <= 1.0: ", FALSE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_N_INF)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 <= -inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)lf.sfle.s r4,r5CHECK_FLAG ("-inf <= 1.0: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfle.s r4,r5CHECK_FLAG ("+inf <= +inf: ", TRUE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfle.s r4,r5CHECK_FLAG ("-inf <= -inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfle.s r4,r5CHECK_FLAG ("+inf <= -inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfle.s r4,r5CHECK_FLAG ("-inf <= +inf: ", TRUE)/* Less than or equality with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 <= +NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfle.s r4,r5CHECK_FLAG ("+NaN <= +NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfle.s r4,r5CHECK_FLAG ("-NaN <= -NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfle.s r4,r5CHECK_FLAG ("+NaN <= -NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfle.s r4,r5CHECK_FLAG ("-NaN <= +NaN: ", FALSE)/* Less than or equality with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 <= 1.0 * 2^-129: ", TRUE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 <= 1.0 * 2^-128: ", TRUE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_SMALL1)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 <= 1.0 * 2^-129: ", FALSE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 * 2^126 <= 1.0 * 2^-128: ", FALSE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_HUGE1)lf.sfle.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 <= 1.0 * 2^126: ", TRUE)/* ----------------------------------------------------------------------------* Test of single precision set flag if less than: lf.sflt.s* ------------------------------------------------------------------------- */_sflt_s:LOAD_STR (r3, "lf.sflt.s\n")l.jal _putsl.nop/* Tests of integer less than */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 < 1.0: ", FALSE)LOAD_CONST (r4,FP_S_TWO)LOAD_CONST (r5,FP_S_ONE)lf.sflt.s r4,r5CHECK_FLAG (" 2.0 < 1.0: ", FALSE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 < 2.0: ", TRUE)/* Fractional less than */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sflt.s r4,r5CHECK_FLAG (" 1.5 < 1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sflt.s r4,r5CHECK_FLAG (" 1.5 < 0.5: ", FALSE)LOAD_CONST (r4,FP_S_0_5)LOAD_CONST (r5,FP_S_1_5)lf.sflt.s r4,r5CHECK_FLAG (" 0.5 < 1.5: ", TRUE)/* Signed less than */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sflt.s r4,r5CHECK_FLAG ("-1.5 < -1.5: ", FALSE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_0_5)lf.sflt.s r4,r5CHECK_FLAG ("-1.5 < -0.5: ", TRUE)LOAD_CONST (r4,FP_S_N_0_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sflt.s r4,r5CHECK_FLAG ("-0.5 < -1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sflt.s r4,r5CHECK_FLAG (" 1.5 < -1.5: ", FALSE)LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sflt.s r4,r5CHECK_FLAG ("-1.5 < 1.5: ", TRUE)/* Less than of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sflt.s r4,r5CHECK_FLAG ("+0.0 < +0.0: ", FALSE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sflt.s r4,r5CHECK_FLAG ("-0.0 < -0.0: ", FALSE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sflt.s r4,r5CHECK_FLAG ("+0.0 < -0.0: ", FALSE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sflt.s r4,r5CHECK_FLAG ("-0.0 < +0.0: ", FALSE)/* Less than with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 < +inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_ONE)lf.sflt.s r4,r5CHECK_FLAG ("+inf < 1.0: ", FALSE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_N_INF)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 < -inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)lf.sflt.s r4,r5CHECK_FLAG ("-inf < 1.0: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sflt.s r4,r5CHECK_FLAG ("+inf < +inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sflt.s r4,r5CHECK_FLAG ("-inf < -inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sflt.s r4,r5CHECK_FLAG ("+inf < -inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sflt.s r4,r5CHECK_FLAG ("-inf < +inf: ", TRUE)/* Less than with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 < +NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sflt.s r4,r5CHECK_FLAG ("+NaN < +NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sflt.s r4,r5CHECK_FLAG ("-NaN < -NaN: ", FALSE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sflt.s r4,r5CHECK_FLAG ("+NaN < -NaN: ", FALSE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sflt.s r4,r5CHECK_FLAG ("-NaN < +NaN: ", FALSE)/* Less than with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 < 1.0 * 2^-129: ", FALSE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 < 1.0 * 2^-128: ", TRUE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_SMALL1)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 < 1.0 * 2^-129: ", FALSE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 * 2^126 < 1.0 * 2^-128: ", FALSE)LOAD_CONST (r4,FP_S_SMALL2)LOAD_CONST (r5,FP_S_HUGE1)lf.sflt.s r4,r5CHECK_FLAG (" 1.0 * 2^-128 < 1.0 * 2^126: ", TRUE)/* ----------------------------------------------------------------------------* Test of single precision set flag if not equal: lf.sfne.s* ------------------------------------------------------------------------- */_sfne_s:LOAD_STR (r3, "lf.sfne.s\n")l.jal _putsl.nop/* Tests of integer inequality */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 != 1.0: ", FALSE)LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_TWO)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 != 2.0: ", TRUE)/* Fractional inequality */LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_1_5)lf.sfne.s r4,r5CHECK_FLAG (" 1.5 != 1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_0_5)lf.sfne.s r4,r5CHECK_FLAG (" 1.5 != 0.5: ", TRUE)/* Signed inequality */LOAD_CONST (r4,FP_S_N_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfne.s r4,r5CHECK_FLAG ("-1.5 != -1.5: ", FALSE)LOAD_CONST (r4,FP_S_1_5)LOAD_CONST (r5,FP_S_N_1_5)lf.sfne.s r4,r5CHECK_FLAG (" 1.5 != -1.5: ", TRUE)/* Inequality of zeros */LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_P_ZERO)lf.sfne.s r4,r5CHECK_FLAG ("+0.0 != +0.0: ", FALSE)LOAD_CONST (r4,FP_S_N_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfne.s r4,r5CHECK_FLAG ("-0.0 != -0.0: ", FALSE)LOAD_CONST (r4,FP_S_P_ZERO)LOAD_CONST (r5,FP_S_N_ZERO)lf.sfne.s r4,r5CHECK_FLAG ("+0.0 != -0.0: ", FALSE)/* Inequality with infinities (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_INF)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 != +inf: ", TRUE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)lf.sfne.s r4,r5CHECK_FLAG ("+inf != +inf: ", FALSE)LOAD_CONST (r4,FP_S_N_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfne.s r4,r5CHECK_FLAG ("-inf != -inf: ", FALSE)LOAD_CONST (r4,FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)lf.sfne.s r4,r5CHECK_FLAG ("+inf != -inf: ", TRUE)/* Inequality with NaNs (more needed) */LOAD_CONST (r4,FP_S_ONE)LOAD_CONST (r5,FP_S_P_NAN)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 != +NaN: ", TRUE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)lf.sfne.s r4,r5CHECK_FLAG ("+NaN != +NaN: ", TRUE)LOAD_CONST (r4,FP_S_N_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfne.s r4,r5CHECK_FLAG ("-NaN != -NaN: ", TRUE)LOAD_CONST (r4,FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)lf.sfne.s r4,r5CHECK_FLAG ("+NaN != -NaN: ", TRUE)/* Inequality with denormalized numbers (more needed) */LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL1)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 != 1.0 * 2^-129: ", FALSE)LOAD_CONST (r4,FP_S_SMALL1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 * 2^-129 != 1.0 * 2^-128: ", TRUE)LOAD_CONST (r4,FP_S_HUGE1)LOAD_CONST (r5,FP_S_SMALL2)lf.sfne.s r4,r5CHECK_FLAG (" 1.0 * 2^126 != 1.0 * 2^-128: ", TRUE)/* ----------------------------------------------------------------------------* Test of single precision subtract: lf.sub.s* ------------------------------------------------------------------------- */.section .text_sub_s:LOAD_STR (r3, "lf.sub.s\n")l.jal _putsl.nop/* Simple integer subtraction */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_ZERO)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - 0.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_ZERO)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -0.0 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_ONE)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - 1.0 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_ONE)lf.sub.s r4,r5,r6CHECK_RES (" 2.0 - 1.0 = 1.0: ", r4, FP_S_ONE)/* Fractional subtraction */LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_1_5)lf.sub.s r4,r5,r6CHECK_RES (" 1.5 - 1.5 = +0.0: ", r4, FP_S_P_ZERO)LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_0_5)lf.sub.s r4,r5,r6CHECK_RES (" 1.5 - 0.5 = 1.0: ", r4, FP_S_ONE)LOAD_CONST (r5,FP_S_1_5)LOAD_CONST (r6,FP_S_ONE)lf.sub.s r4,r5,r6CHECK_RES (" 1.5 - 1.5 = 0.5: ", r4, FP_S_0_5)/* Subtraction with negative numbers */LOAD_CONST (r5,FP_S_TWO)LOAD_CONST (r6,FP_S_N_ONE)lf.sub.s r4,r5,r6CHECK_RES (" 2.0 - -1.0 = 3.0: ", r4, FP_S_THREE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_TWO)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -2.0 = 3.0: ", r4, FP_S_THREE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_ONE)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -1.0 = 2.0: ", r4, FP_S_TWO)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_TWO)lf.sub.s r4,r5,r6CHECK_RES ("-1.0 - 2.0 = -3.0: ", r4, FP_S_N_THREE)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_TWO)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - 2.0 = -1.0: ", r4, FP_S_N_ONE)LOAD_CONST (r5,FP_S_N_ONE)LOAD_CONST (r6,FP_S_N_ONE)lf.sub.s r4,r5,r6CHECK_RES ("-1.0 - -1.0 = 0.0: ", r4, FP_S_P_ZERO)/* Subtraction with infinities (more needed) */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_INF)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - +inf = -inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_INF)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_P_INF)lf.sub.s r4,r5,r6CHECK_RES ("+inf - +inf = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_INF)LOAD_CONST (r6,FP_S_N_INF)lf.sub.s r4,r5,r6CHECK_RES ("+inf - -inf = +inf: ", r4, FP_S_P_INF)LOAD_CONST (r5,FP_S_N_INF)LOAD_CONST (r6,FP_S_N_INF)lf.sub.s r4,r5,r6CHECK_RES ("-inf - -inf = -NaN: ", r4, FP_S_N_NAN)/* Subtraction with NaNs (more needed) */LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_NAN)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -NaN = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_P_NAN)lf.sub.s r4,r5,r6CHECK_RES ("+NaN - +NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_P_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.sub.s r4,r5,r6CHECK_RES ("+NaN - -NaN = +NaN: ", r4, FP_S_P_NAN)LOAD_CONST (r5,FP_S_N_NAN)LOAD_CONST (r6,FP_S_N_NAN)lf.sub.s r4,r5,r6CHECK_RES ("-NaN - -NaN = -NaN: ", r4, FP_S_N_NAN)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_P_NAN_B)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - +sNaN = +qNaN: ", r4, 0x7fc00001)LOAD_CONST (r5,FP_S_ONE)LOAD_CONST (r6,FP_S_N_NAN_B)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 - -sNaN = -qNaN: ", r4, 0xffc00001)/* Subtraction with overflow (more neeeded) */LOAD_CONST (r5,FP_S_N_HUGE2)LOAD_CONST (r6,FP_S_HUGE2)lf.sub.s r4,r5,r6CHECK_RES ("-1.0 * 2^127 - 1.0 * 2^127 = +inf: ", r4, FP_S_N_INF)LOAD_CONST (r5,FP_S_HUGE2)LOAD_CONST (r6,FP_S_N_HUGE2)lf.sub.s r4,r5,r6CHECK_RES (" 1.0 * 2^127 - -1.0 * 2^127 = -inf: ", r4, FP_S_P_INF)/* ----------------------------------------------------------------------------* All done* ------------------------------------------------------------------------- */_exit:LOAD_STR (r3, "Test completed\n")l.jal _putsl.nopl.movhi r3,hi(ALL_DONE)l.ori r3,r3,lo(ALL_DONE)l.nop NOP_REPORT /* Should be 0xdeaddead */l.addi r3,r0,0l.nop NOP_EXIT
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