| 1 |
282 |
jeremybenn |
;; Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
|
| 2 |
|
|
;;
|
| 3 |
|
|
;; This file is part of GCC.
|
| 4 |
|
|
;;
|
| 5 |
|
|
;; GCC is free software; you can redistribute it and/or modify
|
| 6 |
|
|
;; it under the terms of the GNU General Public License as published by
|
| 7 |
|
|
;; the Free Software Foundation; either version 3, or (at your option)
|
| 8 |
|
|
;; any later version.
|
| 9 |
|
|
;;
|
| 10 |
|
|
;; GCC is distributed in the hope that it will be useful,
|
| 11 |
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
|
|
;; GNU General Public License for more details.
|
| 14 |
|
|
;;
|
| 15 |
|
|
;; You should have received a copy of the GNU General Public License
|
| 16 |
|
|
;; along with GCC; see the file COPYING3. If not see
|
| 17 |
|
|
;; .
|
| 18 |
|
|
|
| 19 |
|
|
;; For the internal conditional math routines:
|
| 20 |
|
|
|
| 21 |
|
|
;; operand 0 is always the result
|
| 22 |
|
|
;; operand 1 is always the predicate
|
| 23 |
|
|
;; operand 2, 3, and sometimes 4 are the input values.
|
| 24 |
|
|
;; operand 4 or 5 is the floating point status register to use.
|
| 25 |
|
|
;; operand 5 or 6 is the rounding to do. (0 = single, 1 = double, 2 = none)
|
| 26 |
|
|
;;
|
| 27 |
|
|
;; addrf3_cond - F0 = F2 + F3
|
| 28 |
|
|
;; subrf3_cond - F0 = F2 - F3
|
| 29 |
|
|
;; mulrf3_cond - F0 = F2 * F3
|
| 30 |
|
|
;; nmulrf3_cond - F0 = - (F2 * F3)
|
| 31 |
|
|
;; m1addrf4_cond - F0 = (F2 * F3) + F4
|
| 32 |
|
|
;; m1subrf4_cond - F0 = (F2 * F3) - F4
|
| 33 |
|
|
;; m2addrf4_cond - F0 = F2 + (F3 * F4)
|
| 34 |
|
|
;; m2subrf4_cond - F0 = F2 - (F3 * F4)
|
| 35 |
|
|
|
| 36 |
|
|
;; Basic plus/minus/mult operations
|
| 37 |
|
|
|
| 38 |
|
|
(define_insn "addrf3_cond"
|
| 39 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 40 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 41 |
|
|
(const_int 0))
|
| 42 |
|
|
(plus:RF
|
| 43 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 44 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 45 |
|
|
(match_operand:RF 4 "fr_reg_or_0_operand" "0,H")))
|
| 46 |
|
|
(use (match_operand:SI 5 "const_int_operand" ""))
|
| 47 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))]
|
| 48 |
|
|
""
|
| 49 |
|
|
"(%1) fadd%R6.s%5 %0 = %F2, %F3"
|
| 50 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 51 |
|
|
(set_attr "predicable" "no")])
|
| 52 |
|
|
|
| 53 |
|
|
(define_insn "subrf3_cond"
|
| 54 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 55 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 56 |
|
|
(const_int 0))
|
| 57 |
|
|
(minus:RF
|
| 58 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 59 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 60 |
|
|
(match_operand:RF 4 "fr_reg_or_0_operand" "0,H")))
|
| 61 |
|
|
(use (match_operand:SI 5 "const_int_operand" ""))
|
| 62 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))]
|
| 63 |
|
|
""
|
| 64 |
|
|
"(%1) fsub%R6.s%5 %0 = %F2, %F3"
|
| 65 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 66 |
|
|
(set_attr "predicable" "no")])
|
| 67 |
|
|
|
| 68 |
|
|
(define_insn "mulrf3_cond"
|
| 69 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 70 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 71 |
|
|
(const_int 0))
|
| 72 |
|
|
(mult:RF
|
| 73 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 74 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 75 |
|
|
(match_operand:RF 4 "fr_reg_or_0_operand" "0,H")))
|
| 76 |
|
|
(use (match_operand:SI 5 "const_int_operand" ""))
|
| 77 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))]
|
| 78 |
|
|
""
|
| 79 |
|
|
"(%1) fmpy%R6.s%5 %0 = %F2, %F3"
|
| 80 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 81 |
|
|
(set_attr "predicable" "no")])
|
| 82 |
|
|
|
| 83 |
|
|
;; neg-mult operation
|
| 84 |
|
|
|
| 85 |
|
|
(define_insn "nmulrf3_cond"
|
| 86 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 87 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 88 |
|
|
(const_int 0))
|
| 89 |
|
|
(neg:RF (mult:RF
|
| 90 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 91 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG")))
|
| 92 |
|
|
(match_operand:RF 4 "fr_reg_or_0_operand" "0,H")))
|
| 93 |
|
|
(use (match_operand:SI 5 "const_int_operand" ""))
|
| 94 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))]
|
| 95 |
|
|
""
|
| 96 |
|
|
"(%1) fnmpy%R6.s%5 %0 = %F2, %F3"
|
| 97 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 98 |
|
|
(set_attr "predicable" "no")])
|
| 99 |
|
|
|
| 100 |
|
|
;; add-mult/sub-mult operations (mult as op1)
|
| 101 |
|
|
|
| 102 |
|
|
(define_insn "m1addrf4_cond"
|
| 103 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 104 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 105 |
|
|
(const_int 0))
|
| 106 |
|
|
(plus:RF
|
| 107 |
|
|
(mult:RF
|
| 108 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 109 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 110 |
|
|
(match_operand:RF 4 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 111 |
|
|
(match_operand:RF 5 "fr_reg_or_0_operand" "0,H")))
|
| 112 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))
|
| 113 |
|
|
(use (match_operand:SI 7 "const_int_operand" ""))]
|
| 114 |
|
|
""
|
| 115 |
|
|
"(%1) fma%R7.s%6 %0 = %F2, %F3, %F4"
|
| 116 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 117 |
|
|
(set_attr "predicable" "no")])
|
| 118 |
|
|
|
| 119 |
|
|
(define_insn "m1subrf4_cond"
|
| 120 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 121 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 122 |
|
|
(const_int 0))
|
| 123 |
|
|
(minus:RF
|
| 124 |
|
|
(mult:RF
|
| 125 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 126 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 127 |
|
|
(match_operand:RF 4 "fr_reg_or_fp01_operand" "fG,fG"))
|
| 128 |
|
|
(match_operand:RF 5 "fr_reg_or_0_operand" "0,H")))
|
| 129 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))
|
| 130 |
|
|
(use (match_operand:SI 7 "const_int_operand" ""))]
|
| 131 |
|
|
""
|
| 132 |
|
|
"(%1) fms%R7.s%6 %0 = %F2, %F3, %F4"
|
| 133 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 134 |
|
|
(set_attr "predicable" "no")])
|
| 135 |
|
|
|
| 136 |
|
|
;; add-mult/sub-mult operations (mult as op2)
|
| 137 |
|
|
|
| 138 |
|
|
(define_insn "m2addrf4_cond"
|
| 139 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 140 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 141 |
|
|
(const_int 0))
|
| 142 |
|
|
(plus:RF
|
| 143 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 144 |
|
|
(mult:RF
|
| 145 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG")
|
| 146 |
|
|
(match_operand:RF 4 "fr_reg_or_fp01_operand" "fG,fG")))
|
| 147 |
|
|
(match_operand:RF 5 "fr_reg_or_0_operand" "0,H")))
|
| 148 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))
|
| 149 |
|
|
(use (match_operand:SI 7 "const_int_operand" ""))]
|
| 150 |
|
|
""
|
| 151 |
|
|
"(%1) fma%R7.s%6 %0 = %F3, %F4, %F2"
|
| 152 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 153 |
|
|
(set_attr "predicable" "no")])
|
| 154 |
|
|
|
| 155 |
|
|
(define_insn "m2subrf4_cond"
|
| 156 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f,f")
|
| 157 |
|
|
(if_then_else:RF (ne:RF (match_operand:BI 1 "register_operand" "c,c")
|
| 158 |
|
|
(const_int 0))
|
| 159 |
|
|
(minus:RF
|
| 160 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG,fG")
|
| 161 |
|
|
(mult:RF
|
| 162 |
|
|
(match_operand:RF 3 "fr_reg_or_fp01_operand" "fG,fG")
|
| 163 |
|
|
(match_operand:RF 4 "fr_reg_or_fp01_operand" "fG,fG")))
|
| 164 |
|
|
(match_operand:RF 5 "fr_reg_or_0_operand" "0,H")))
|
| 165 |
|
|
(use (match_operand:SI 6 "const_int_operand" ""))
|
| 166 |
|
|
(use (match_operand:SI 7 "const_int_operand" ""))]
|
| 167 |
|
|
""
|
| 168 |
|
|
"(%1) fnma%R7.s%6 %0 = %F3, %F4, %F2"
|
| 169 |
|
|
[(set_attr "itanium_class" "fmac")
|
| 170 |
|
|
(set_attr "predicable" "no")])
|
| 171 |
|
|
|
| 172 |
|
|
;; Conversions to/from RF and SF/DF/XF
|
| 173 |
|
|
;; These conversions should not generate any code but make it possible
|
| 174 |
|
|
;; for all the instructions used to implement floating point division
|
| 175 |
|
|
;; to be written for RFmode only and to not have to handle multiple
|
| 176 |
|
|
;; modes or to have to handle a register in more than one mode.
|
| 177 |
|
|
|
| 178 |
|
|
(define_mode_iterator SDX_F [SF DF XF])
|
| 179 |
|
|
|
| 180 |
|
|
(define_insn "extendrf2"
|
| 181 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f")
|
| 182 |
|
|
(float_extend:RF (match_operand:SDX_F 1 "fr_reg_or_fp01_operand" "fG")))]
|
| 183 |
|
|
""
|
| 184 |
|
|
"#"
|
| 185 |
|
|
[(set_attr "itanium_class" "fmisc")
|
| 186 |
|
|
(set_attr "predicable" "yes")])
|
| 187 |
|
|
|
| 188 |
|
|
(define_split
|
| 189 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "")
|
| 190 |
|
|
(float_extend:RF (match_operand:SDX_F 1 "fr_reg_or_fp01_operand" "")))]
|
| 191 |
|
|
"reload_completed"
|
| 192 |
|
|
[(set (match_dup 0) (match_dup 2))]
|
| 193 |
|
|
{
|
| 194 |
|
|
if (operands[1] == CONST0_RTX (mode))
|
| 195 |
|
|
operands[2] = gen_rtx_REG (RFmode, FR_REG (0));
|
| 196 |
|
|
else if (operands[1] == CONST1_RTX (mode))
|
| 197 |
|
|
operands[2] = gen_rtx_REG (RFmode, FR_REG (1));
|
| 198 |
|
|
else
|
| 199 |
|
|
operands[2] = gen_rtx_REG (RFmode, REGNO (operands[1]));
|
| 200 |
|
|
})
|
| 201 |
|
|
|
| 202 |
|
|
|
| 203 |
|
|
(define_insn "truncrf2"
|
| 204 |
|
|
[(set (match_operand:SDX_F 0 "fr_register_operand" "=f")
|
| 205 |
|
|
(float_truncate:SDX_F (match_operand:RF 1 "fr_reg_or_fp01_operand" "fG")))]
|
| 206 |
|
|
""
|
| 207 |
|
|
"#"
|
| 208 |
|
|
[(set_attr "itanium_class" "fmisc")
|
| 209 |
|
|
(set_attr "predicable" "yes")])
|
| 210 |
|
|
|
| 211 |
|
|
(define_split
|
| 212 |
|
|
[(set (match_operand:SDX_F 0 "fr_register_operand" "")
|
| 213 |
|
|
(float_truncate:SDX_F (match_operand:RF 1 "fr_reg_or_fp01_operand" "")))]
|
| 214 |
|
|
"reload_completed"
|
| 215 |
|
|
[(set (match_dup 0) (match_dup 2))]
|
| 216 |
|
|
{
|
| 217 |
|
|
if (operands[1] == CONST0_RTX (RFmode))
|
| 218 |
|
|
operands[2] = gen_rtx_REG (mode, FR_REG (0));
|
| 219 |
|
|
else if (operands[1] == CONST1_RTX (RFmode))
|
| 220 |
|
|
operands[2] = gen_rtx_REG (mode, FR_REG (1));
|
| 221 |
|
|
else
|
| 222 |
|
|
operands[2] = gen_rtx_REG (mode, REGNO (operands[1]));
|
| 223 |
|
|
})
|
| 224 |
|
|
|
| 225 |
|
|
;; Float to integer truncations using an alternative status register.
|
| 226 |
|
|
|
| 227 |
|
|
(define_insn "fix_truncrfdi2_alts"
|
| 228 |
|
|
[(set (match_operand:DI 0 "fr_register_operand" "=f")
|
| 229 |
|
|
(fix:DI (match_operand:RF 1 "fr_register_operand" "f")))
|
| 230 |
|
|
(use (match_operand:SI 2 "const_int_operand" ""))]
|
| 231 |
|
|
""
|
| 232 |
|
|
"fcvt.fx.trunc.s%2 %0 = %1"
|
| 233 |
|
|
[(set_attr "itanium_class" "fcvtfx")])
|
| 234 |
|
|
|
| 235 |
|
|
(define_insn "fixuns_truncrfdi2_alts"
|
| 236 |
|
|
[(set (match_operand:DI 0 "fr_register_operand" "=f")
|
| 237 |
|
|
(unsigned_fix:DI (match_operand:RF 1 "fr_register_operand" "f")))
|
| 238 |
|
|
(use (match_operand:SI 2 "const_int_operand" ""))]
|
| 239 |
|
|
""
|
| 240 |
|
|
"fcvt.fxu.trunc.s%2 %0 = %1"
|
| 241 |
|
|
[(set_attr "itanium_class" "fcvtfx")])
|
| 242 |
|
|
|
| 243 |
|
|
(define_insn "setf_exp_rf"
|
| 244 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f")
|
| 245 |
|
|
(unspec:RF [(match_operand:DI 1 "register_operand" "r")]
|
| 246 |
|
|
UNSPEC_SETF_EXP))]
|
| 247 |
|
|
""
|
| 248 |
|
|
"setf.exp %0 = %1"
|
| 249 |
|
|
[(set_attr "itanium_class" "frfr")])
|
| 250 |
|
|
|
| 251 |
|
|
;; Reciprocal approximation
|
| 252 |
|
|
|
| 253 |
|
|
(define_insn "recip_approx_rf"
|
| 254 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f")
|
| 255 |
|
|
(unspec:RF [(match_operand:RF 1 "fr_reg_or_fp01_operand" "fG")
|
| 256 |
|
|
(match_operand:RF 2 "fr_reg_or_fp01_operand" "fG")]
|
| 257 |
|
|
UNSPEC_FR_RECIP_APPROX_RES))
|
| 258 |
|
|
(set (match_operand:BI 3 "register_operand" "=c")
|
| 259 |
|
|
(unspec:BI [(match_dup 1) (match_dup 2)] UNSPEC_FR_RECIP_APPROX))
|
| 260 |
|
|
(use (match_operand:SI 4 "const_int_operand" ""))]
|
| 261 |
|
|
""
|
| 262 |
|
|
"frcpa.s%4 %0, %3 = %F1, %F2"
|
| 263 |
|
|
[(set_attr "itanium_class" "fmisc")
|
| 264 |
|
|
(set_attr "predicable" "no")])
|
| 265 |
|
|
|
| 266 |
|
|
;; Single precision floating point division
|
| 267 |
|
|
|
| 268 |
|
|
(define_expand "divsf3"
|
| 269 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "")
|
| 270 |
|
|
(div:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "")
|
| 271 |
|
|
(match_operand:SF 2 "fr_reg_or_fp01_operand" "")))]
|
| 272 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 273 |
|
|
{
|
| 274 |
|
|
rtx insn;
|
| 275 |
|
|
if (TARGET_INLINE_FLOAT_DIV == INL_MIN_LAT)
|
| 276 |
|
|
insn = gen_divsf3_internal_lat (operands[0], operands[1], operands[2]);
|
| 277 |
|
|
else
|
| 278 |
|
|
insn = gen_divsf3_internal_thr (operands[0], operands[1], operands[2]);
|
| 279 |
|
|
emit_insn (insn);
|
| 280 |
|
|
DONE;
|
| 281 |
|
|
})
|
| 282 |
|
|
|
| 283 |
|
|
;; Single precision floating point division (maximum throughput algorithm).
|
| 284 |
|
|
|
| 285 |
|
|
(define_expand "divsf3_internal_thr"
|
| 286 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "")
|
| 287 |
|
|
(div:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "")
|
| 288 |
|
|
(match_operand:SF 2 "fr_reg_or_fp01_operand" "")))]
|
| 289 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 290 |
|
|
{
|
| 291 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 292 |
|
|
rtx a = gen_reg_rtx (RFmode);
|
| 293 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 294 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 295 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 296 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 297 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 298 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 299 |
|
|
rtx q_res = gen_reg_rtx (RFmode);
|
| 300 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 301 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 302 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 303 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 304 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 305 |
|
|
rtx trunc_sgl = CONST0_RTX (SImode);
|
| 306 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 307 |
|
|
|
| 308 |
|
|
/* Empty conversions to put inputs into RFmode. */
|
| 309 |
|
|
emit_insn (gen_extendsfrf2 (a, operands[1]));
|
| 310 |
|
|
emit_insn (gen_extendsfrf2 (b, operands[2]));
|
| 311 |
|
|
/* y = 1 / b */
|
| 312 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status0));
|
| 313 |
|
|
/* e = 1 - (b * y) */
|
| 314 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 315 |
|
|
/* y1 = y + (y * e) */
|
| 316 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e, zero, status1, trunc_off));
|
| 317 |
|
|
/* y2 = y + (y1 * e) */
|
| 318 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y, y1, e, zero, status1, trunc_off));
|
| 319 |
|
|
/* q = single(a * y2) */
|
| 320 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y2, zero, status1, trunc_sgl));
|
| 321 |
|
|
/* r = a - (q * b) */
|
| 322 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, q, b, zero, status1, trunc_off));
|
| 323 |
|
|
/* Q = single (q + (r * y2)) */
|
| 324 |
|
|
emit_insn (gen_m2addrf4_cond (q_res, cond, q, r, y2, y, status0, trunc_sgl));
|
| 325 |
|
|
/* Conversion back into SFmode. */
|
| 326 |
|
|
emit_insn (gen_truncrfsf2 (operands[0], q_res));
|
| 327 |
|
|
DONE;
|
| 328 |
|
|
})
|
| 329 |
|
|
|
| 330 |
|
|
;; Single precision floating point division (minimum latency algorithm).
|
| 331 |
|
|
|
| 332 |
|
|
(define_expand "divsf3_internal_lat"
|
| 333 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "")
|
| 334 |
|
|
(div:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "")
|
| 335 |
|
|
(match_operand:SF 2 "fr_reg_or_fp01_operand" "")))]
|
| 336 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 337 |
|
|
{
|
| 338 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 339 |
|
|
rtx a = gen_reg_rtx (RFmode);
|
| 340 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 341 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 342 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 343 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 344 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 345 |
|
|
rtx q1 = gen_reg_rtx (RFmode);
|
| 346 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 347 |
|
|
rtx q_res = gen_reg_rtx (RFmode);
|
| 348 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 349 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 350 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 351 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 352 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 353 |
|
|
rtx trunc_sgl = CONST0_RTX (SImode);
|
| 354 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 355 |
|
|
|
| 356 |
|
|
/* Empty conversions to put inputs into RFmode. */
|
| 357 |
|
|
emit_insn (gen_extendsfrf2 (a, operands[1]));
|
| 358 |
|
|
emit_insn (gen_extendsfrf2 (b, operands[2]));
|
| 359 |
|
|
/* y = 1 / b */
|
| 360 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status0));
|
| 361 |
|
|
/* q = a * y */
|
| 362 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y, zero, status1, trunc_off));
|
| 363 |
|
|
/* e = 1 - (b * y) */
|
| 364 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 365 |
|
|
/* e1 = e + (e * e) */
|
| 366 |
|
|
emit_insn (gen_m2addrf4_cond (e1, cond, e, e, e, zero, status1, trunc_off));
|
| 367 |
|
|
/* q1 = single(q + (q * e1)) */
|
| 368 |
|
|
emit_insn (gen_m2addrf4_cond (q1, cond, q, q, e1, zero, status1, trunc_sgl));
|
| 369 |
|
|
/* y1 = y + (y * e1) */
|
| 370 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e1, zero, status1, trunc_off));
|
| 371 |
|
|
/* r = a - (q1 * b) */
|
| 372 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, q1, b, zero, status1, trunc_off));
|
| 373 |
|
|
/* Q = single (q1 + (r * y1)) */
|
| 374 |
|
|
emit_insn (gen_m2addrf4_cond (q_res, cond, q1, r, y1, y, status0, trunc_sgl));
|
| 375 |
|
|
/* Conversion back into SFmode. */
|
| 376 |
|
|
emit_insn (gen_truncrfsf2 (operands[0], q_res));
|
| 377 |
|
|
DONE;
|
| 378 |
|
|
})
|
| 379 |
|
|
|
| 380 |
|
|
;; Double precision floating point division
|
| 381 |
|
|
|
| 382 |
|
|
(define_expand "divdf3"
|
| 383 |
|
|
[(set (match_operand:DF 0 "fr_register_operand" "")
|
| 384 |
|
|
(div:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "")
|
| 385 |
|
|
(match_operand:DF 2 "fr_reg_or_fp01_operand" "")))]
|
| 386 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 387 |
|
|
{
|
| 388 |
|
|
rtx insn;
|
| 389 |
|
|
if (TARGET_INLINE_FLOAT_DIV == INL_MIN_LAT)
|
| 390 |
|
|
insn = gen_divdf3_internal_lat (operands[0], operands[1], operands[2]);
|
| 391 |
|
|
else
|
| 392 |
|
|
insn = gen_divdf3_internal_thr (operands[0], operands[1], operands[2]);
|
| 393 |
|
|
emit_insn (insn);
|
| 394 |
|
|
DONE;
|
| 395 |
|
|
})
|
| 396 |
|
|
|
| 397 |
|
|
;; Double precision floating point division (maximum throughput algorithm).
|
| 398 |
|
|
|
| 399 |
|
|
(define_expand "divdf3_internal_thr"
|
| 400 |
|
|
[(set (match_operand:DF 0 "fr_register_operand" "")
|
| 401 |
|
|
(div:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "")
|
| 402 |
|
|
(match_operand:DF 2 "fr_reg_or_fp01_operand" "")))]
|
| 403 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 404 |
|
|
{
|
| 405 |
|
|
rtx q_res = gen_reg_rtx (RFmode);
|
| 406 |
|
|
rtx a = gen_reg_rtx (RFmode);
|
| 407 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 408 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 409 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 410 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 411 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 412 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 413 |
|
|
rtx e2 = gen_reg_rtx (RFmode);
|
| 414 |
|
|
rtx y3 = gen_reg_rtx (RFmode);
|
| 415 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 416 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 417 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 418 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 419 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 420 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 421 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 422 |
|
|
rtx trunc_dbl = CONST1_RTX (SImode);
|
| 423 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 424 |
|
|
/* Empty conversions to put inputs into RFmode */
|
| 425 |
|
|
emit_insn (gen_extenddfrf2 (a, operands[1]));
|
| 426 |
|
|
emit_insn (gen_extenddfrf2 (b, operands[2]));
|
| 427 |
|
|
/* y = 1 / b */
|
| 428 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status0));
|
| 429 |
|
|
/* e = 1 - (b * y) */
|
| 430 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 431 |
|
|
/* y1 = y + (y * e) */
|
| 432 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e, zero, status1, trunc_off));
|
| 433 |
|
|
/* e1 = e * e */
|
| 434 |
|
|
emit_insn (gen_mulrf3_cond (e1, cond, e, e, zero, status1, trunc_off));
|
| 435 |
|
|
/* y2 = y1 + (y1 * e1) */
|
| 436 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y1, y1, e1, zero, status1, trunc_off));
|
| 437 |
|
|
/* e2 = e1 * e1 */
|
| 438 |
|
|
emit_insn (gen_mulrf3_cond (e2, cond, e1, e1, zero, status1, trunc_off));
|
| 439 |
|
|
/* y3 = y2 + (y2 * e2) */
|
| 440 |
|
|
emit_insn (gen_m2addrf4_cond (y3, cond, y2, y2, e2, zero, status1, trunc_off));
|
| 441 |
|
|
/* q = double (a * y3) */
|
| 442 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y3, zero, status1, trunc_dbl));
|
| 443 |
|
|
/* r = a - (b * q) */
|
| 444 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, b, q, zero, status1, trunc_off));
|
| 445 |
|
|
/* Q = double (q + (r * y3)) */
|
| 446 |
|
|
emit_insn (gen_m2addrf4_cond (q_res, cond, q, r, y3, y, status0, trunc_dbl));
|
| 447 |
|
|
/* Conversion back into DFmode */
|
| 448 |
|
|
emit_insn (gen_truncrfdf2 (operands[0], q_res));
|
| 449 |
|
|
DONE;
|
| 450 |
|
|
})
|
| 451 |
|
|
|
| 452 |
|
|
;; Double precision floating point division (minimum latency algorithm).
|
| 453 |
|
|
|
| 454 |
|
|
(define_expand "divdf3_internal_lat"
|
| 455 |
|
|
[(set (match_operand:DF 0 "fr_register_operand" "")
|
| 456 |
|
|
(div:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "")
|
| 457 |
|
|
(match_operand:DF 2 "fr_reg_or_fp01_operand" "")))]
|
| 458 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 459 |
|
|
{
|
| 460 |
|
|
rtx q_res = gen_reg_rtx (RFmode);
|
| 461 |
|
|
rtx a = gen_reg_rtx (RFmode);
|
| 462 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 463 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 464 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 465 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 466 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 467 |
|
|
rtx q1 = gen_reg_rtx (RFmode);
|
| 468 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 469 |
|
|
rtx e2 = gen_reg_rtx (RFmode);
|
| 470 |
|
|
rtx q2 = gen_reg_rtx (RFmode);
|
| 471 |
|
|
rtx e3 = gen_reg_rtx (RFmode);
|
| 472 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 473 |
|
|
rtx r1 = gen_reg_rtx (RFmode);
|
| 474 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 475 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 476 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 477 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 478 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 479 |
|
|
rtx trunc_dbl = CONST1_RTX (SImode);
|
| 480 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 481 |
|
|
|
| 482 |
|
|
/* Empty conversions to put inputs into RFmode */
|
| 483 |
|
|
emit_insn (gen_extenddfrf2 (a, operands[1]));
|
| 484 |
|
|
emit_insn (gen_extenddfrf2 (b, operands[2]));
|
| 485 |
|
|
/* y = 1 / b */
|
| 486 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status0));
|
| 487 |
|
|
/* e = 1 - (b * y) */
|
| 488 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 489 |
|
|
/* q = a * y */
|
| 490 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y, zero, status1, trunc_off));
|
| 491 |
|
|
/* e2 = e + (e * e) */
|
| 492 |
|
|
emit_insn (gen_m2addrf4_cond (e2, cond, e, e, e, zero, status1, trunc_off));
|
| 493 |
|
|
/* e1 = e * e */
|
| 494 |
|
|
emit_insn (gen_mulrf3_cond (e1, cond, e, e, zero, status1, trunc_off));
|
| 495 |
|
|
/* e3 = e + (e1 * e1) */
|
| 496 |
|
|
emit_insn (gen_m2addrf4_cond (e3, cond, e, e1, e1, zero, status1, trunc_off));
|
| 497 |
|
|
/* q1 = q + (q * e2) */
|
| 498 |
|
|
emit_insn (gen_m2addrf4_cond (q1, cond, q, q, e2, zero, status1, trunc_off));
|
| 499 |
|
|
/* y1 = y + (y * e2) */
|
| 500 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e2, zero, status1, trunc_off));
|
| 501 |
|
|
/* q2 = double(q + (q1 * e3)) */
|
| 502 |
|
|
emit_insn (gen_m2addrf4_cond (q2, cond, q, q1, e3, zero, status1, trunc_dbl));
|
| 503 |
|
|
/* y2 = y + (y1 * e3) */
|
| 504 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y, y1, e3, zero, status1, trunc_off));
|
| 505 |
|
|
/* r1 = a - (b * q2) */
|
| 506 |
|
|
emit_insn (gen_m2subrf4_cond (r1, cond, a, b, q2, zero, status1, trunc_off));
|
| 507 |
|
|
/* Q = double (q2 + (r1 * y2)) */
|
| 508 |
|
|
emit_insn (gen_m2addrf4_cond (q_res, cond, q2, r1, y2, y, status0, trunc_dbl));
|
| 509 |
|
|
/* Conversion back into DFmode */
|
| 510 |
|
|
emit_insn (gen_truncrfdf2 (operands[0], q_res));
|
| 511 |
|
|
DONE;
|
| 512 |
|
|
})
|
| 513 |
|
|
|
| 514 |
|
|
;; Extended precision floating point division.
|
| 515 |
|
|
|
| 516 |
|
|
(define_expand "divxf3"
|
| 517 |
|
|
[(set (match_operand:XF 0 "fr_register_operand" "")
|
| 518 |
|
|
(div:XF (match_operand:XF 1 "fr_reg_or_fp01_operand" "")
|
| 519 |
|
|
(match_operand:XF 2 "fr_reg_or_fp01_operand" "")))]
|
| 520 |
|
|
"TARGET_INLINE_FLOAT_DIV"
|
| 521 |
|
|
{
|
| 522 |
|
|
rtx q_res = gen_reg_rtx (RFmode);
|
| 523 |
|
|
rtx a = gen_reg_rtx (RFmode);
|
| 524 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 525 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 526 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 527 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 528 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 529 |
|
|
rtx q1 = gen_reg_rtx (RFmode);
|
| 530 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 531 |
|
|
rtx e2 = gen_reg_rtx (RFmode);
|
| 532 |
|
|
rtx y3 = gen_reg_rtx (RFmode);
|
| 533 |
|
|
rtx e3 = gen_reg_rtx (RFmode);
|
| 534 |
|
|
rtx e4 = gen_reg_rtx (RFmode);
|
| 535 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 536 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 537 |
|
|
rtx r1 = gen_reg_rtx (RFmode);
|
| 538 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 539 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 540 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 541 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 542 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 543 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 544 |
|
|
|
| 545 |
|
|
/* Empty conversions to put inputs into RFmode */
|
| 546 |
|
|
emit_insn (gen_extendxfrf2 (a, operands[1]));
|
| 547 |
|
|
emit_insn (gen_extendxfrf2 (b, operands[2]));
|
| 548 |
|
|
/* y = 1 / b */
|
| 549 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status0));
|
| 550 |
|
|
/* e = 1 - (b * y) */
|
| 551 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 552 |
|
|
/* q = a * y */
|
| 553 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y, zero, status1, trunc_off));
|
| 554 |
|
|
/* e2 = e + (e * e) */
|
| 555 |
|
|
emit_insn (gen_m2addrf4_cond (e2, cond, e, e, e, zero, status1, trunc_off));
|
| 556 |
|
|
/* e1 = e * e */
|
| 557 |
|
|
emit_insn (gen_mulrf3_cond (e1, cond, e, e, zero, status1, trunc_off));
|
| 558 |
|
|
/* y1 = y + (y * e2) */
|
| 559 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e2, zero, status1, trunc_off));
|
| 560 |
|
|
/* e3 = e + (e1 * e1) */
|
| 561 |
|
|
emit_insn (gen_m2addrf4_cond (e3, cond, e, e1, e1, zero, status1, trunc_off));
|
| 562 |
|
|
/* y2 = y + (y1 * e3) */
|
| 563 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y, y1, e3, zero, status1, trunc_off));
|
| 564 |
|
|
/* r = a - (b * q) */
|
| 565 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, b, q, zero, status1, trunc_off));
|
| 566 |
|
|
/* e4 = 1 - (b * y2) */
|
| 567 |
|
|
emit_insn (gen_m2subrf4_cond (e4, cond, one, b, y2, zero, status1, trunc_off));
|
| 568 |
|
|
/* q1 = q + (r * y2) */
|
| 569 |
|
|
emit_insn (gen_m2addrf4_cond (q1, cond, q, r, y2, zero, status1, trunc_off));
|
| 570 |
|
|
/* y3 = y2 + (y2 * e4) */
|
| 571 |
|
|
emit_insn (gen_m2addrf4_cond (y3, cond, y2, y2, e4, zero, status1, trunc_off));
|
| 572 |
|
|
/* r1 = a - (b * q1) */
|
| 573 |
|
|
emit_insn (gen_m2subrf4_cond (r1, cond, a, b, q1, zero, status1, trunc_off));
|
| 574 |
|
|
/* Q = q1 + (r1 * y3) */
|
| 575 |
|
|
emit_insn (gen_m2addrf4_cond (q_res, cond, q1, r1, y3, y, status0, trunc_off));
|
| 576 |
|
|
/* Conversion back into XFmode */
|
| 577 |
|
|
emit_insn (gen_truncrfxf2 (operands[0], q_res));
|
| 578 |
|
|
DONE;
|
| 579 |
|
|
})
|
| 580 |
|
|
|
| 581 |
|
|
|
| 582 |
|
|
;; Integer division operations
|
| 583 |
|
|
|
| 584 |
|
|
(define_expand "divsi3"
|
| 585 |
|
|
[(set (match_operand:SI 0 "register_operand" "")
|
| 586 |
|
|
(div:SI (match_operand:SI 1 "general_operand" "")
|
| 587 |
|
|
(match_operand:SI 2 "general_operand" "")))]
|
| 588 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 589 |
|
|
{
|
| 590 |
|
|
rtx op1_rf, op2_rf, op0_rf, op0_di;
|
| 591 |
|
|
|
| 592 |
|
|
op0_rf = gen_reg_rtx (RFmode);
|
| 593 |
|
|
op0_di = gen_reg_rtx (DImode);
|
| 594 |
|
|
|
| 595 |
|
|
if (! register_operand (operands[1], SImode))
|
| 596 |
|
|
operands[1] = force_reg (SImode, operands[1]);
|
| 597 |
|
|
op1_rf = gen_reg_rtx (RFmode);
|
| 598 |
|
|
expand_float (op1_rf, operands[1], 0);
|
| 599 |
|
|
|
| 600 |
|
|
if (! register_operand (operands[2], SImode))
|
| 601 |
|
|
operands[2] = force_reg (SImode, operands[2]);
|
| 602 |
|
|
op2_rf = gen_reg_rtx (RFmode);
|
| 603 |
|
|
expand_float (op2_rf, operands[2], 0);
|
| 604 |
|
|
|
| 605 |
|
|
emit_insn (gen_cond_trap (EQ, operands[2], CONST0_RTX (SImode),
|
| 606 |
|
|
CONST1_RTX (SImode)));
|
| 607 |
|
|
|
| 608 |
|
|
emit_insn (gen_divsi3_internal (op0_rf, op1_rf, op2_rf));
|
| 609 |
|
|
|
| 610 |
|
|
emit_insn (gen_fix_truncrfdi2_alts (op0_di, op0_rf, const1_rtx));
|
| 611 |
|
|
emit_move_insn (operands[0], gen_lowpart (SImode, op0_di));
|
| 612 |
|
|
DONE;
|
| 613 |
|
|
})
|
| 614 |
|
|
|
| 615 |
|
|
(define_expand "modsi3"
|
| 616 |
|
|
[(set (match_operand:SI 0 "register_operand" "")
|
| 617 |
|
|
(mod:SI (match_operand:SI 1 "general_operand" "")
|
| 618 |
|
|
(match_operand:SI 2 "general_operand" "")))]
|
| 619 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 620 |
|
|
{
|
| 621 |
|
|
rtx op2_neg, op1_di, div;
|
| 622 |
|
|
|
| 623 |
|
|
div = gen_reg_rtx (SImode);
|
| 624 |
|
|
emit_insn (gen_divsi3 (div, operands[1], operands[2]));
|
| 625 |
|
|
|
| 626 |
|
|
op2_neg = expand_unop (SImode, neg_optab, operands[2], NULL_RTX, 0);
|
| 627 |
|
|
|
| 628 |
|
|
/* This is a trick to get us to reuse the value that we're sure to
|
| 629 |
|
|
have already copied to the FP regs. */
|
| 630 |
|
|
op1_di = gen_reg_rtx (DImode);
|
| 631 |
|
|
convert_move (op1_di, operands[1], 0);
|
| 632 |
|
|
|
| 633 |
|
|
emit_insn (gen_maddsi4 (operands[0], div, op2_neg,
|
| 634 |
|
|
gen_lowpart (SImode, op1_di)));
|
| 635 |
|
|
DONE;
|
| 636 |
|
|
})
|
| 637 |
|
|
|
| 638 |
|
|
(define_expand "udivsi3"
|
| 639 |
|
|
[(set (match_operand:SI 0 "register_operand" "")
|
| 640 |
|
|
(udiv:SI (match_operand:SI 1 "general_operand" "")
|
| 641 |
|
|
(match_operand:SI 2 "general_operand" "")))]
|
| 642 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 643 |
|
|
{
|
| 644 |
|
|
rtx op1_rf, op2_rf, op0_rf, op0_di;
|
| 645 |
|
|
|
| 646 |
|
|
op0_rf = gen_reg_rtx (RFmode);
|
| 647 |
|
|
op0_di = gen_reg_rtx (DImode);
|
| 648 |
|
|
|
| 649 |
|
|
if (! register_operand (operands[1], SImode))
|
| 650 |
|
|
operands[1] = force_reg (SImode, operands[1]);
|
| 651 |
|
|
op1_rf = gen_reg_rtx (RFmode);
|
| 652 |
|
|
expand_float (op1_rf, operands[1], 1);
|
| 653 |
|
|
|
| 654 |
|
|
if (! register_operand (operands[2], SImode))
|
| 655 |
|
|
operands[2] = force_reg (SImode, operands[2]);
|
| 656 |
|
|
op2_rf = gen_reg_rtx (RFmode);
|
| 657 |
|
|
expand_float (op2_rf, operands[2], 1);
|
| 658 |
|
|
|
| 659 |
|
|
emit_insn (gen_cond_trap (EQ, operands[2], CONST0_RTX (SImode),
|
| 660 |
|
|
CONST1_RTX (SImode)));
|
| 661 |
|
|
|
| 662 |
|
|
emit_insn (gen_divsi3_internal (op0_rf, op1_rf, op2_rf));
|
| 663 |
|
|
|
| 664 |
|
|
emit_insn (gen_fixuns_truncrfdi2_alts (op0_di, op0_rf, const1_rtx));
|
| 665 |
|
|
emit_move_insn (operands[0], gen_lowpart (SImode, op0_di));
|
| 666 |
|
|
DONE;
|
| 667 |
|
|
})
|
| 668 |
|
|
|
| 669 |
|
|
(define_expand "umodsi3"
|
| 670 |
|
|
[(set (match_operand:SI 0 "register_operand" "")
|
| 671 |
|
|
(umod:SI (match_operand:SI 1 "general_operand" "")
|
| 672 |
|
|
(match_operand:SI 2 "general_operand" "")))]
|
| 673 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 674 |
|
|
{
|
| 675 |
|
|
rtx op2_neg, op1_di, div;
|
| 676 |
|
|
|
| 677 |
|
|
div = gen_reg_rtx (SImode);
|
| 678 |
|
|
emit_insn (gen_udivsi3 (div, operands[1], operands[2]));
|
| 679 |
|
|
|
| 680 |
|
|
op2_neg = expand_unop (SImode, neg_optab, operands[2], NULL_RTX, 0);
|
| 681 |
|
|
|
| 682 |
|
|
/* This is a trick to get us to reuse the value that we're sure to
|
| 683 |
|
|
have already copied to the FP regs. */
|
| 684 |
|
|
op1_di = gen_reg_rtx (DImode);
|
| 685 |
|
|
convert_move (op1_di, operands[1], 1);
|
| 686 |
|
|
|
| 687 |
|
|
emit_insn (gen_maddsi4 (operands[0], div, op2_neg,
|
| 688 |
|
|
gen_lowpart (SImode, op1_di)));
|
| 689 |
|
|
DONE;
|
| 690 |
|
|
})
|
| 691 |
|
|
|
| 692 |
|
|
(define_expand "divsi3_internal"
|
| 693 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "")
|
| 694 |
|
|
(float:RF (div:SI (match_operand:RF 1 "fr_register_operand" "")
|
| 695 |
|
|
(match_operand:RF 2 "fr_register_operand" ""))))]
|
| 696 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 697 |
|
|
{
|
| 698 |
|
|
rtx a = operands[1];
|
| 699 |
|
|
rtx b = operands[2];
|
| 700 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 701 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 702 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 703 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 704 |
|
|
rtx q1 = gen_reg_rtx (RFmode);
|
| 705 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 706 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 707 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 708 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 709 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 710 |
|
|
rtx twon34_exp = gen_reg_rtx (DImode);
|
| 711 |
|
|
rtx twon34 = gen_reg_rtx (RFmode);
|
| 712 |
|
|
|
| 713 |
|
|
/* Load cosntant 2**(-34) */
|
| 714 |
|
|
emit_move_insn (twon34_exp, GEN_INT (65501));
|
| 715 |
|
|
emit_insn (gen_setf_exp_rf (twon34, twon34_exp));
|
| 716 |
|
|
|
| 717 |
|
|
/* y = 1 / b */
|
| 718 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status1));
|
| 719 |
|
|
/* e = 1 - (b * y) */
|
| 720 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 721 |
|
|
/* q = a * y */
|
| 722 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y, zero, status1, trunc_off));
|
| 723 |
|
|
/* q1 = q + (q * e) */
|
| 724 |
|
|
emit_insn (gen_m2addrf4_cond (q1, cond, q, q, e, zero, status1, trunc_off));
|
| 725 |
|
|
/* e1 = (2**-34) + (e * e) */
|
| 726 |
|
|
emit_insn (gen_m2addrf4_cond (e1, cond, twon34, e, e, zero, status1, trunc_off));
|
| 727 |
|
|
/* q2 = q1 + (e1 * q1) */
|
| 728 |
|
|
emit_insn (gen_m2addrf4_cond (operands[0], cond, q1, e1, q1, y, status1, trunc_off));
|
| 729 |
|
|
DONE;
|
| 730 |
|
|
})
|
| 731 |
|
|
|
| 732 |
|
|
(define_expand "divdi3"
|
| 733 |
|
|
[(set (match_operand:DI 0 "register_operand" "")
|
| 734 |
|
|
(div:DI (match_operand:DI 1 "general_operand" "")
|
| 735 |
|
|
(match_operand:DI 2 "general_operand" "")))]
|
| 736 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 737 |
|
|
{
|
| 738 |
|
|
rtx op1_rf, op2_rf, op0_rf;
|
| 739 |
|
|
|
| 740 |
|
|
op0_rf = gen_reg_rtx (RFmode);
|
| 741 |
|
|
|
| 742 |
|
|
if (! register_operand (operands[1], DImode))
|
| 743 |
|
|
operands[1] = force_reg (DImode, operands[1]);
|
| 744 |
|
|
op1_rf = gen_reg_rtx (RFmode);
|
| 745 |
|
|
expand_float (op1_rf, operands[1], 0);
|
| 746 |
|
|
|
| 747 |
|
|
if (! register_operand (operands[2], DImode))
|
| 748 |
|
|
operands[2] = force_reg (DImode, operands[2]);
|
| 749 |
|
|
op2_rf = gen_reg_rtx (RFmode);
|
| 750 |
|
|
expand_float (op2_rf, operands[2], 0);
|
| 751 |
|
|
|
| 752 |
|
|
emit_insn (gen_cond_trap (EQ, operands[2], CONST0_RTX (DImode),
|
| 753 |
|
|
CONST1_RTX (DImode)));
|
| 754 |
|
|
|
| 755 |
|
|
if (TARGET_INLINE_INT_DIV == INL_MIN_LAT)
|
| 756 |
|
|
emit_insn (gen_divdi3_internal_lat (op0_rf, op1_rf, op2_rf));
|
| 757 |
|
|
else
|
| 758 |
|
|
emit_insn (gen_divdi3_internal_thr (op0_rf, op1_rf, op2_rf));
|
| 759 |
|
|
|
| 760 |
|
|
emit_insn (gen_fix_truncrfdi2_alts (operands[0], op0_rf, const1_rtx));
|
| 761 |
|
|
DONE;
|
| 762 |
|
|
})
|
| 763 |
|
|
|
| 764 |
|
|
(define_expand "moddi3"
|
| 765 |
|
|
[(set (match_operand:DI 0 "register_operand" "")
|
| 766 |
|
|
(mod:SI (match_operand:DI 1 "general_operand" "")
|
| 767 |
|
|
(match_operand:DI 2 "general_operand" "")))]
|
| 768 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 769 |
|
|
{
|
| 770 |
|
|
rtx op2_neg, div;
|
| 771 |
|
|
|
| 772 |
|
|
div = gen_reg_rtx (DImode);
|
| 773 |
|
|
emit_insn (gen_divdi3 (div, operands[1], operands[2]));
|
| 774 |
|
|
|
| 775 |
|
|
op2_neg = expand_unop (DImode, neg_optab, operands[2], NULL_RTX, 0);
|
| 776 |
|
|
|
| 777 |
|
|
emit_insn (gen_madddi4 (operands[0], div, op2_neg, operands[1]));
|
| 778 |
|
|
DONE;
|
| 779 |
|
|
})
|
| 780 |
|
|
|
| 781 |
|
|
(define_expand "udivdi3"
|
| 782 |
|
|
[(set (match_operand:DI 0 "register_operand" "")
|
| 783 |
|
|
(udiv:DI (match_operand:DI 1 "general_operand" "")
|
| 784 |
|
|
(match_operand:DI 2 "general_operand" "")))]
|
| 785 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 786 |
|
|
{
|
| 787 |
|
|
rtx op1_rf, op2_rf, op0_rf;
|
| 788 |
|
|
|
| 789 |
|
|
op0_rf = gen_reg_rtx (RFmode);
|
| 790 |
|
|
|
| 791 |
|
|
if (! register_operand (operands[1], DImode))
|
| 792 |
|
|
operands[1] = force_reg (DImode, operands[1]);
|
| 793 |
|
|
op1_rf = gen_reg_rtx (RFmode);
|
| 794 |
|
|
expand_float (op1_rf, operands[1], 1);
|
| 795 |
|
|
|
| 796 |
|
|
if (! register_operand (operands[2], DImode))
|
| 797 |
|
|
operands[2] = force_reg (DImode, operands[2]);
|
| 798 |
|
|
op2_rf = gen_reg_rtx (RFmode);
|
| 799 |
|
|
expand_float (op2_rf, operands[2], 1);
|
| 800 |
|
|
|
| 801 |
|
|
emit_insn (gen_cond_trap (EQ, operands[2], CONST0_RTX (DImode),
|
| 802 |
|
|
CONST1_RTX (DImode)));
|
| 803 |
|
|
|
| 804 |
|
|
if (TARGET_INLINE_INT_DIV == INL_MIN_LAT)
|
| 805 |
|
|
emit_insn (gen_divdi3_internal_lat (op0_rf, op1_rf, op2_rf));
|
| 806 |
|
|
else
|
| 807 |
|
|
emit_insn (gen_divdi3_internal_thr (op0_rf, op1_rf, op2_rf));
|
| 808 |
|
|
|
| 809 |
|
|
emit_insn (gen_fixuns_truncrfdi2_alts (operands[0], op0_rf, const1_rtx));
|
| 810 |
|
|
DONE;
|
| 811 |
|
|
})
|
| 812 |
|
|
|
| 813 |
|
|
(define_expand "umoddi3"
|
| 814 |
|
|
[(set (match_operand:DI 0 "register_operand" "")
|
| 815 |
|
|
(umod:DI (match_operand:DI 1 "general_operand" "")
|
| 816 |
|
|
(match_operand:DI 2 "general_operand" "")))]
|
| 817 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 818 |
|
|
{
|
| 819 |
|
|
rtx op2_neg, div;
|
| 820 |
|
|
|
| 821 |
|
|
div = gen_reg_rtx (DImode);
|
| 822 |
|
|
emit_insn (gen_udivdi3 (div, operands[1], operands[2]));
|
| 823 |
|
|
|
| 824 |
|
|
op2_neg = expand_unop (DImode, neg_optab, operands[2], NULL_RTX, 0);
|
| 825 |
|
|
|
| 826 |
|
|
emit_insn (gen_madddi4 (operands[0], div, op2_neg, operands[1]));
|
| 827 |
|
|
DONE;
|
| 828 |
|
|
})
|
| 829 |
|
|
|
| 830 |
|
|
(define_expand "divdi3_internal_lat"
|
| 831 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "")
|
| 832 |
|
|
(float:RF (div:DI (match_operand:RF 1 "fr_register_operand" "")
|
| 833 |
|
|
(match_operand:RF 2 "fr_register_operand" ""))))]
|
| 834 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 835 |
|
|
{
|
| 836 |
|
|
rtx a = operands[1];
|
| 837 |
|
|
rtx b = operands[2];
|
| 838 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 839 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 840 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 841 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 842 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 843 |
|
|
rtx q = gen_reg_rtx (RFmode);
|
| 844 |
|
|
rtx q1 = gen_reg_rtx (RFmode);
|
| 845 |
|
|
rtx q2 = gen_reg_rtx (RFmode);
|
| 846 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 847 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 848 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 849 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 850 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 851 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 852 |
|
|
|
| 853 |
|
|
/* y = 1 / b */
|
| 854 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status1));
|
| 855 |
|
|
/* e = 1 - (b * y) */
|
| 856 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 857 |
|
|
/* q = a * y */
|
| 858 |
|
|
emit_insn (gen_mulrf3_cond (q, cond, a, y, zero, status1, trunc_off));
|
| 859 |
|
|
/* q1 = q + (q * e) */
|
| 860 |
|
|
emit_insn (gen_m2addrf4_cond (q1, cond, q, q, e, zero, status1, trunc_off));
|
| 861 |
|
|
/* e1 = e * e */
|
| 862 |
|
|
emit_insn (gen_mulrf3_cond (e1, cond, e, e, zero, status1, trunc_off));
|
| 863 |
|
|
/* q2 = q1 + (e1 * q1) */
|
| 864 |
|
|
emit_insn (gen_m2addrf4_cond (q2, cond, q1, e1, q1, zero, status1, trunc_off));
|
| 865 |
|
|
/* y1 = y + (y * e) */
|
| 866 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e, zero, status1, trunc_off));
|
| 867 |
|
|
/* r = a - (b * q2) */
|
| 868 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, b, q2, zero, status1, trunc_off));
|
| 869 |
|
|
/* y2 = y1 + (y1 * e1) */
|
| 870 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y1, y1, e1, zero, status1, trunc_off));
|
| 871 |
|
|
/* q3 = q2 + (r * y2) */
|
| 872 |
|
|
emit_insn (gen_m2addrf4_cond (operands[0], cond, q2, r, y2, y, status1, trunc_off));
|
| 873 |
|
|
DONE;
|
| 874 |
|
|
})
|
| 875 |
|
|
|
| 876 |
|
|
(define_expand "divdi3_internal_thr"
|
| 877 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "")
|
| 878 |
|
|
(float:RF (div:DI (match_operand:RF 1 "fr_register_operand" "")
|
| 879 |
|
|
(match_operand:RF 2 "fr_register_operand" ""))))]
|
| 880 |
|
|
"TARGET_INLINE_INT_DIV"
|
| 881 |
|
|
{
|
| 882 |
|
|
rtx a = operands[1];
|
| 883 |
|
|
rtx b = operands[2];
|
| 884 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 885 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 886 |
|
|
rtx y2 = gen_reg_rtx (RFmode);
|
| 887 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 888 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 889 |
|
|
rtx q2 = gen_reg_rtx (RFmode);
|
| 890 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 891 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 892 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 893 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 894 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 895 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 896 |
|
|
|
| 897 |
|
|
/* y = 1 / b */
|
| 898 |
|
|
emit_insn (gen_recip_approx_rf (y, a, b, cond, status1));
|
| 899 |
|
|
/* e = 1 - (b * y) */
|
| 900 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, b, y, zero, status1, trunc_off));
|
| 901 |
|
|
/* y1 = y + (y * e) */
|
| 902 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, y, e, zero, status1, trunc_off));
|
| 903 |
|
|
/* e1 = e * e */
|
| 904 |
|
|
emit_insn (gen_mulrf3_cond (e1, cond, e, e, zero, status1, trunc_off));
|
| 905 |
|
|
/* y2 = y1 + (y1 * e1) */
|
| 906 |
|
|
emit_insn (gen_m2addrf4_cond (y2, cond, y1, y1, e1, zero, status1, trunc_off));
|
| 907 |
|
|
/* q2 = y2 * a */
|
| 908 |
|
|
emit_insn (gen_mulrf3_cond (q2, cond, y2, a, zero, status1, trunc_off));
|
| 909 |
|
|
/* r = a - (b * q2) */
|
| 910 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, a, b, q2, zero, status1, trunc_off));
|
| 911 |
|
|
/* q3 = q2 + (r * y2) */
|
| 912 |
|
|
emit_insn (gen_m2addrf4_cond (operands[0], cond, q2, r, y2, y, status1, trunc_off));
|
| 913 |
|
|
DONE;
|
| 914 |
|
|
})
|
| 915 |
|
|
|
| 916 |
|
|
;; SQRT operations
|
| 917 |
|
|
|
| 918 |
|
|
|
| 919 |
|
|
(define_insn "sqrt_approx_rf"
|
| 920 |
|
|
[(set (match_operand:RF 0 "fr_register_operand" "=f")
|
| 921 |
|
|
(unspec:RF [(match_operand:RF 1 "fr_reg_or_fp01_operand" "fG")]
|
| 922 |
|
|
UNSPEC_FR_SQRT_RECIP_APPROX_RES))
|
| 923 |
|
|
(set (match_operand:BI 2 "register_operand" "=c")
|
| 924 |
|
|
(unspec:BI [(match_dup 1)] UNSPEC_FR_SQRT_RECIP_APPROX))
|
| 925 |
|
|
(use (match_operand:SI 3 "const_int_operand" ""))]
|
| 926 |
|
|
""
|
| 927 |
|
|
"frsqrta.s%3 %0, %2 = %F1"
|
| 928 |
|
|
[(set_attr "itanium_class" "fmisc")
|
| 929 |
|
|
(set_attr "predicable" "no")])
|
| 930 |
|
|
|
| 931 |
|
|
(define_expand "sqrtsf2"
|
| 932 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "=&f")
|
| 933 |
|
|
(sqrt:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
|
| 934 |
|
|
"TARGET_INLINE_SQRT"
|
| 935 |
|
|
{
|
| 936 |
|
|
rtx insn;
|
| 937 |
|
|
if (TARGET_INLINE_SQRT == INL_MIN_LAT)
|
| 938 |
|
|
insn = gen_sqrtsf2_internal_lat (operands[0], operands[1]);
|
| 939 |
|
|
else
|
| 940 |
|
|
insn = gen_sqrtsf2_internal_thr (operands[0], operands[1]);
|
| 941 |
|
|
emit_insn (insn);
|
| 942 |
|
|
DONE;
|
| 943 |
|
|
})
|
| 944 |
|
|
|
| 945 |
|
|
(define_expand "sqrtsf2_internal_thr"
|
| 946 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "")
|
| 947 |
|
|
(sqrt:SF (match_operand:SF 1 "fr_register_operand" "")))]
|
| 948 |
|
|
"TARGET_INLINE_SQRT"
|
| 949 |
|
|
{
|
| 950 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 951 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 952 |
|
|
rtx g = gen_reg_rtx (RFmode);
|
| 953 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 954 |
|
|
rtx s = gen_reg_rtx (RFmode);
|
| 955 |
|
|
rtx f = gen_reg_rtx (RFmode);
|
| 956 |
|
|
rtx y1 = gen_reg_rtx (RFmode);
|
| 957 |
|
|
rtx g1 = gen_reg_rtx (RFmode);
|
| 958 |
|
|
rtx h = gen_reg_rtx (RFmode);
|
| 959 |
|
|
rtx d = gen_reg_rtx (RFmode);
|
| 960 |
|
|
rtx g2 = gen_reg_rtx (RFmode);
|
| 961 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 962 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 963 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 964 |
|
|
rtx c1 = ia64_dconst_0_5();
|
| 965 |
|
|
rtx c2 = ia64_dconst_0_375();
|
| 966 |
|
|
rtx reg_df_c1 = gen_reg_rtx (DFmode);
|
| 967 |
|
|
rtx reg_df_c2 = gen_reg_rtx (DFmode);
|
| 968 |
|
|
rtx reg_rf_c1 = gen_reg_rtx (RFmode);
|
| 969 |
|
|
rtx reg_rf_c2 = gen_reg_rtx (RFmode);
|
| 970 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 971 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 972 |
|
|
rtx trunc_sgl = CONST0_RTX (SImode);
|
| 973 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 974 |
|
|
|
| 975 |
|
|
/* Put needed constants into registers. */
|
| 976 |
|
|
emit_insn (gen_movdf (reg_df_c1, c1));
|
| 977 |
|
|
emit_insn (gen_movdf (reg_df_c2, c2));
|
| 978 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c1, reg_df_c1));
|
| 979 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c2, reg_df_c2));
|
| 980 |
|
|
/* Empty conversion to put input into RFmode. */
|
| 981 |
|
|
emit_insn (gen_extendsfrf2 (b, operands[1]));
|
| 982 |
|
|
/* y = sqrt (1 / b) */
|
| 983 |
|
|
emit_insn (gen_sqrt_approx_rf (y, b, cond, status0));
|
| 984 |
|
|
/* g = b * y */
|
| 985 |
|
|
emit_insn (gen_mulrf3_cond (g, cond, b, y, zero, status1, trunc_off));
|
| 986 |
|
|
/* e = 1 - (g * y) */
|
| 987 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, g, y, zero, status1, trunc_off));
|
| 988 |
|
|
/* s = 0.5 + (0.375 * e) */
|
| 989 |
|
|
emit_insn (gen_m2addrf4_cond (s, cond, reg_rf_c1, reg_rf_c2, e, zero, status1, trunc_off));
|
| 990 |
|
|
/* f = y * e */
|
| 991 |
|
|
emit_insn (gen_mulrf3_cond (f, cond, y, e, zero, status1, trunc_off));
|
| 992 |
|
|
/* y1 = y + (f * s) */
|
| 993 |
|
|
emit_insn (gen_m2addrf4_cond (y1, cond, y, f, s, zero, status1, trunc_off));
|
| 994 |
|
|
/* g1 = single (b * y1) */
|
| 995 |
|
|
emit_insn (gen_mulrf3_cond (g1, cond, b, y1, zero, status1, trunc_sgl));
|
| 996 |
|
|
/* h = 0.5 * y1 */
|
| 997 |
|
|
emit_insn (gen_mulrf3_cond (h, cond, reg_rf_c1, y1, zero, status1, trunc_off));
|
| 998 |
|
|
/* d = b - g1 * g1 */
|
| 999 |
|
|
emit_insn (gen_m2subrf4_cond (d, cond, b, g1, g1, zero, status1, trunc_off));
|
| 1000 |
|
|
/* g2 = single(g1 + (d * h)) */
|
| 1001 |
|
|
emit_insn (gen_m2addrf4_cond (g2, cond, g1, d, h, y, status0, trunc_sgl));
|
| 1002 |
|
|
/* Conversion back into SFmode. */
|
| 1003 |
|
|
emit_insn (gen_truncrfsf2 (operands[0], g2));
|
| 1004 |
|
|
DONE;
|
| 1005 |
|
|
})
|
| 1006 |
|
|
|
| 1007 |
|
|
(define_expand "sqrtsf2_internal_lat"
|
| 1008 |
|
|
[(set (match_operand:SF 0 "fr_register_operand" "")
|
| 1009 |
|
|
(sqrt:SF (match_operand:SF 1 "fr_register_operand" "")))]
|
| 1010 |
|
|
"TARGET_INLINE_SQRT"
|
| 1011 |
|
|
{
|
| 1012 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 1013 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 1014 |
|
|
rtx g = gen_reg_rtx (RFmode);
|
| 1015 |
|
|
rtx g1 = gen_reg_rtx (RFmode);
|
| 1016 |
|
|
rtx g2 = gen_reg_rtx (RFmode);
|
| 1017 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 1018 |
|
|
rtx s = gen_reg_rtx (RFmode);
|
| 1019 |
|
|
rtx f = gen_reg_rtx (RFmode);
|
| 1020 |
|
|
rtx f1 = gen_reg_rtx (RFmode);
|
| 1021 |
|
|
rtx h = gen_reg_rtx (RFmode);
|
| 1022 |
|
|
rtx h1 = gen_reg_rtx (RFmode);
|
| 1023 |
|
|
rtx d = gen_reg_rtx (RFmode);
|
| 1024 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 1025 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 1026 |
|
|
rtx one = CONST1_RTX (RFmode);
|
| 1027 |
|
|
rtx c1 = ia64_dconst_0_5();
|
| 1028 |
|
|
rtx c2 = ia64_dconst_0_375();
|
| 1029 |
|
|
rtx reg_df_c1 = gen_reg_rtx (DFmode);
|
| 1030 |
|
|
rtx reg_df_c2 = gen_reg_rtx (DFmode);
|
| 1031 |
|
|
rtx reg_rf_c1 = gen_reg_rtx (RFmode);
|
| 1032 |
|
|
rtx reg_rf_c2 = gen_reg_rtx (RFmode);
|
| 1033 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 1034 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 1035 |
|
|
rtx trunc_sgl = CONST0_RTX (SImode);
|
| 1036 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 1037 |
|
|
|
| 1038 |
|
|
/* Put needed constants into registers. */
|
| 1039 |
|
|
emit_insn (gen_movdf (reg_df_c1, c1));
|
| 1040 |
|
|
emit_insn (gen_movdf (reg_df_c2, c2));
|
| 1041 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c1, reg_df_c1));
|
| 1042 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c2, reg_df_c2));
|
| 1043 |
|
|
/* Empty conversion to put input into RFmode. */
|
| 1044 |
|
|
emit_insn (gen_extendsfrf2 (b, operands[1]));
|
| 1045 |
|
|
/* y = sqrt (1 / b) */
|
| 1046 |
|
|
emit_insn (gen_sqrt_approx_rf (y, b, cond, status0));
|
| 1047 |
|
|
/* g = b * y */
|
| 1048 |
|
|
emit_insn (gen_mulrf3_cond (g, cond, b, y, zero, status1, trunc_off));
|
| 1049 |
|
|
/* e = 1 - (g * y) */
|
| 1050 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, one, g, y, zero, status1, trunc_off));
|
| 1051 |
|
|
/* h = 0.5 * y */
|
| 1052 |
|
|
emit_insn (gen_mulrf3_cond (h, cond, reg_rf_c1, y, zero, status1, trunc_off));
|
| 1053 |
|
|
/* s = 0.5 + (0.375 * e) */
|
| 1054 |
|
|
emit_insn (gen_m2addrf4_cond (s, cond, reg_rf_c1, reg_rf_c2, e, zero, status1, trunc_off));
|
| 1055 |
|
|
/* f = e * g */
|
| 1056 |
|
|
emit_insn (gen_mulrf3_cond (f, cond, e, g, zero, status1, trunc_off));
|
| 1057 |
|
|
/* g1 = single (g + (f * s)) */
|
| 1058 |
|
|
emit_insn (gen_m2addrf4_cond (g1, cond, g, f, s, zero, status1, trunc_sgl));
|
| 1059 |
|
|
/* f1 = e * h */
|
| 1060 |
|
|
emit_insn (gen_mulrf3_cond (f1, cond, e, h, zero, status1, trunc_off));
|
| 1061 |
|
|
/* d = b - g1 * g1 */
|
| 1062 |
|
|
emit_insn (gen_m2subrf4_cond (d, cond, b, g1, g1, zero, status1, trunc_off));
|
| 1063 |
|
|
/* h1 = h + (f1 * s) */
|
| 1064 |
|
|
emit_insn (gen_m2addrf4_cond (h1, cond, h, f1, s, zero, status1, trunc_off));
|
| 1065 |
|
|
/* g2 = single(g1 + (d * h1)) */
|
| 1066 |
|
|
emit_insn (gen_m2addrf4_cond (g2, cond, g1, d, h1, y, status0, trunc_sgl));
|
| 1067 |
|
|
/* Conversion back into SFmode. */
|
| 1068 |
|
|
emit_insn (gen_truncrfsf2 (operands[0], g2));
|
| 1069 |
|
|
DONE;
|
| 1070 |
|
|
})
|
| 1071 |
|
|
|
| 1072 |
|
|
(define_expand "sqrtdf2"
|
| 1073 |
|
|
[(set (match_operand:DF 0 "fr_register_operand" "=&f")
|
| 1074 |
|
|
(sqrt:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
|
| 1075 |
|
|
"TARGET_INLINE_SQRT"
|
| 1076 |
|
|
{
|
| 1077 |
|
|
rtx insn;
|
| 1078 |
|
|
#if 0
|
| 1079 |
|
|
if (TARGET_INLINE_SQRT == INL_MIN_LAT)
|
| 1080 |
|
|
insn = gen_sqrtdf2_internal_lat (operands[0], operands[1]);
|
| 1081 |
|
|
else
|
| 1082 |
|
|
#endif
|
| 1083 |
|
|
insn = gen_sqrtdf2_internal_thr (operands[0], operands[1]);
|
| 1084 |
|
|
emit_insn (insn);
|
| 1085 |
|
|
DONE;
|
| 1086 |
|
|
})
|
| 1087 |
|
|
|
| 1088 |
|
|
(define_expand "sqrtdf2_internal_thr"
|
| 1089 |
|
|
[(set (match_operand:DF 0 "fr_register_operand" "")
|
| 1090 |
|
|
(sqrt:DF (match_operand:DF 1 "fr_register_operand" "")))]
|
| 1091 |
|
|
"TARGET_INLINE_SQRT"
|
| 1092 |
|
|
{
|
| 1093 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 1094 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 1095 |
|
|
rtx g = gen_reg_rtx (RFmode);
|
| 1096 |
|
|
rtx g1 = gen_reg_rtx (RFmode);
|
| 1097 |
|
|
rtx g2 = gen_reg_rtx (RFmode);
|
| 1098 |
|
|
rtx g3 = gen_reg_rtx (RFmode);
|
| 1099 |
|
|
rtx g4 = gen_reg_rtx (RFmode);
|
| 1100 |
|
|
rtx r = gen_reg_rtx (RFmode);
|
| 1101 |
|
|
rtx r1 = gen_reg_rtx (RFmode);
|
| 1102 |
|
|
rtx h = gen_reg_rtx (RFmode);
|
| 1103 |
|
|
rtx h1 = gen_reg_rtx (RFmode);
|
| 1104 |
|
|
rtx h2 = gen_reg_rtx (RFmode);
|
| 1105 |
|
|
rtx d = gen_reg_rtx (RFmode);
|
| 1106 |
|
|
rtx d1 = gen_reg_rtx (RFmode);
|
| 1107 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 1108 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 1109 |
|
|
rtx c1 = ia64_dconst_0_5();
|
| 1110 |
|
|
rtx reg_df_c1 = gen_reg_rtx (DFmode);
|
| 1111 |
|
|
rtx reg_rf_c1 = gen_reg_rtx (RFmode);
|
| 1112 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 1113 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 1114 |
|
|
rtx trunc_dbl = CONST1_RTX (SImode);
|
| 1115 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 1116 |
|
|
|
| 1117 |
|
|
/* Put needed constants into registers. */
|
| 1118 |
|
|
emit_insn (gen_movdf (reg_df_c1, c1));
|
| 1119 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c1, reg_df_c1));
|
| 1120 |
|
|
/* Empty conversion to put input into RFmode. */
|
| 1121 |
|
|
emit_insn (gen_extenddfrf2 (b, operands[1]));
|
| 1122 |
|
|
/* y = sqrt (1 / b) */
|
| 1123 |
|
|
emit_insn (gen_sqrt_approx_rf (y, b, cond, status0));
|
| 1124 |
|
|
/* g = b * y */
|
| 1125 |
|
|
emit_insn (gen_mulrf3_cond (g, cond, b, y, zero, status1, trunc_off));
|
| 1126 |
|
|
/* h = 0.5 * y */
|
| 1127 |
|
|
emit_insn (gen_mulrf3_cond (h, cond, reg_rf_c1, y, zero, status1, trunc_off));
|
| 1128 |
|
|
/* r = 0.5 - (g * h) */
|
| 1129 |
|
|
emit_insn (gen_m2subrf4_cond (r, cond, reg_rf_c1, g, h, zero, status1, trunc_off));
|
| 1130 |
|
|
/* g1 = g + (g * r) */
|
| 1131 |
|
|
emit_insn (gen_m2addrf4_cond (g1, cond, g, g, r, zero, status1, trunc_off));
|
| 1132 |
|
|
/* h1 = h + (h * r) */
|
| 1133 |
|
|
emit_insn (gen_m2addrf4_cond (h1, cond, h, h, r, zero, status1, trunc_off));
|
| 1134 |
|
|
/* r1 = 0.5 - (g1 * h1) */
|
| 1135 |
|
|
emit_insn (gen_m2subrf4_cond (r1, cond, reg_rf_c1, g1, h1, zero, status1, trunc_off));
|
| 1136 |
|
|
/* g2 = g1 + (g1 * r1) */
|
| 1137 |
|
|
emit_insn (gen_m2addrf4_cond (g2, cond, g1, g1, r1, zero, status1, trunc_off));
|
| 1138 |
|
|
/* h2 = h1 + (h1 * r1) */
|
| 1139 |
|
|
emit_insn (gen_m2addrf4_cond (h2, cond, h1, h1, r1, zero, status1, trunc_off));
|
| 1140 |
|
|
/* d = b - (g2 * g2) */
|
| 1141 |
|
|
emit_insn (gen_m2subrf4_cond (d, cond, b, g2, g2, zero, status1, trunc_off));
|
| 1142 |
|
|
/* g3 = g2 + (d * h2) */
|
| 1143 |
|
|
emit_insn (gen_m2addrf4_cond (g3, cond, g2, d, h2, zero, status1, trunc_off));
|
| 1144 |
|
|
/* d1 = b - (g3 * g3) */
|
| 1145 |
|
|
emit_insn (gen_m2subrf4_cond (d1, cond, b, g3, g3, zero, status1, trunc_off));
|
| 1146 |
|
|
/* g4 = g3 + (d1 * h2) */
|
| 1147 |
|
|
emit_insn (gen_m2addrf4_cond (g4, cond, g3, d1, h2, y, status1, trunc_dbl));
|
| 1148 |
|
|
/* Conversion back into SFmode. */
|
| 1149 |
|
|
emit_insn (gen_truncrfdf2 (operands[0], g4));
|
| 1150 |
|
|
DONE;
|
| 1151 |
|
|
})
|
| 1152 |
|
|
|
| 1153 |
|
|
(define_expand "sqrtxf2"
|
| 1154 |
|
|
[(set (match_operand:XF 0 "fr_register_operand" "")
|
| 1155 |
|
|
(sqrt:XF (match_operand:XF 1 "fr_register_operand" "")))]
|
| 1156 |
|
|
"TARGET_INLINE_SQRT"
|
| 1157 |
|
|
{
|
| 1158 |
|
|
rtx y = gen_reg_rtx (RFmode);
|
| 1159 |
|
|
rtx b = gen_reg_rtx (RFmode);
|
| 1160 |
|
|
rtx g = gen_reg_rtx (RFmode);
|
| 1161 |
|
|
rtx g1 = gen_reg_rtx (RFmode);
|
| 1162 |
|
|
rtx g2 = gen_reg_rtx (RFmode);
|
| 1163 |
|
|
rtx g3 = gen_reg_rtx (RFmode);
|
| 1164 |
|
|
rtx g4 = gen_reg_rtx (RFmode);
|
| 1165 |
|
|
rtx e = gen_reg_rtx (RFmode);
|
| 1166 |
|
|
rtx e1 = gen_reg_rtx (RFmode);
|
| 1167 |
|
|
rtx e2 = gen_reg_rtx (RFmode);
|
| 1168 |
|
|
rtx h = gen_reg_rtx (RFmode);
|
| 1169 |
|
|
rtx h1 = gen_reg_rtx (RFmode);
|
| 1170 |
|
|
rtx h2 = gen_reg_rtx (RFmode);
|
| 1171 |
|
|
rtx h3 = gen_reg_rtx (RFmode);
|
| 1172 |
|
|
rtx d = gen_reg_rtx (RFmode);
|
| 1173 |
|
|
rtx d1 = gen_reg_rtx (RFmode);
|
| 1174 |
|
|
rtx cond = gen_reg_rtx (BImode);
|
| 1175 |
|
|
rtx zero = CONST0_RTX (RFmode);
|
| 1176 |
|
|
rtx c1 = ia64_dconst_0_5();
|
| 1177 |
|
|
rtx reg_df_c1 = gen_reg_rtx (DFmode);
|
| 1178 |
|
|
rtx reg_rf_c1 = gen_reg_rtx (RFmode);
|
| 1179 |
|
|
rtx status0 = CONST0_RTX (SImode);
|
| 1180 |
|
|
rtx status1 = CONST1_RTX (SImode);
|
| 1181 |
|
|
rtx trunc_off = CONST2_RTX (SImode);
|
| 1182 |
|
|
|
| 1183 |
|
|
/* Put needed constants into registers. */
|
| 1184 |
|
|
emit_insn (gen_movdf (reg_df_c1, c1));
|
| 1185 |
|
|
emit_insn (gen_extenddfrf2 (reg_rf_c1, reg_df_c1));
|
| 1186 |
|
|
/* Empty conversion to put input into RFmode. */
|
| 1187 |
|
|
emit_insn (gen_extendxfrf2 (b, operands[1]));
|
| 1188 |
|
|
/* y = sqrt (1 / b) */
|
| 1189 |
|
|
emit_insn (gen_sqrt_approx_rf (y, b, cond, status0));
|
| 1190 |
|
|
/* g = b * y */
|
| 1191 |
|
|
emit_insn (gen_mulrf3_cond (g, cond, b, y, zero, status1, trunc_off));
|
| 1192 |
|
|
/* h = 0.5 * y */
|
| 1193 |
|
|
emit_insn (gen_mulrf3_cond (h, cond, reg_rf_c1, y, zero, status1, trunc_off));
|
| 1194 |
|
|
/* e = 0.5 - (g * h) */
|
| 1195 |
|
|
emit_insn (gen_m2subrf4_cond (e, cond, reg_rf_c1, g, h, zero, status1, trunc_off));
|
| 1196 |
|
|
/* g1 = g + (g * e) */
|
| 1197 |
|
|
emit_insn (gen_m2addrf4_cond (g1, cond, g, g, e, zero, status1, trunc_off));
|
| 1198 |
|
|
/* h1 = h + (h * e) */
|
| 1199 |
|
|
emit_insn (gen_m2addrf4_cond (h1, cond, h, h, e, zero, status1, trunc_off));
|
| 1200 |
|
|
/* e1 = 0.5 - (g1 * h1) */
|
| 1201 |
|
|
emit_insn (gen_m2subrf4_cond (e1, cond, reg_rf_c1, g1, h1, zero, status1, trunc_off));
|
| 1202 |
|
|
/* g2 = g1 + (g1 * e1) */
|
| 1203 |
|
|
emit_insn (gen_m2addrf4_cond (g2, cond, g1, g1, e1, zero, status1, trunc_off));
|
| 1204 |
|
|
/* h2 = h1 + (h1 * e1) */
|
| 1205 |
|
|
emit_insn (gen_m2addrf4_cond (h2, cond, h1, h1, e1, zero, status1, trunc_off));
|
| 1206 |
|
|
/* d = b - (g2 * g2) */
|
| 1207 |
|
|
emit_insn (gen_m2subrf4_cond (d, cond, b, g2, g2, zero, status1, trunc_off));
|
| 1208 |
|
|
/* e2 = 0.5 - (g2 * h2) */
|
| 1209 |
|
|
emit_insn (gen_m2subrf4_cond (e2, cond, reg_rf_c1, g2, h2, zero, status1, trunc_off));
|
| 1210 |
|
|
/* g3 = g2 + (d * h2) */
|
| 1211 |
|
|
emit_insn (gen_m2addrf4_cond (g3, cond, g2, d, h2, zero, status1, trunc_off));
|
| 1212 |
|
|
/* h3 = h2 + (e2 * h2) */
|
| 1213 |
|
|
emit_insn (gen_m2addrf4_cond (h3, cond, h2, e2, h2, zero, status1, trunc_off));
|
| 1214 |
|
|
/* d1 = b - (g3 * g3) */
|
| 1215 |
|
|
emit_insn (gen_m2subrf4_cond (d1, cond, b, g3, g3, zero, status1, trunc_off));
|
| 1216 |
|
|
/* g4 = g3 + (d1 * h3) */
|
| 1217 |
|
|
emit_insn (gen_m2addrf4_cond (g4, cond, g3, d1, h3, y, status1, trunc_off));
|
| 1218 |
|
|
/* Conversion back into SFmode. */
|
| 1219 |
|
|
emit_insn (gen_truncrfxf2 (operands[0], g4));
|
| 1220 |
|
|
DONE;
|
| 1221 |
|
|
})
|