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[/] [ion/] [trunk/] [tools/] [slite/] [src/] [slite.c] - Diff between revs 7 and 11
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| Rev 7 |
Rev 11 |
| Line 44... |
Line 44... |
* IMPORTANT: Assumes host is little endian.
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* IMPORTANT: Assumes host is little endian.
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*-----------------------------------------------------------------------------*/
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*-----------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <string.h>
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#include <ctype.h>
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#include <ctype.h>
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#include <assert.h>
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#include <assert.h>
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/** Set to !=0 to disable file logging */
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/** Set to !=0 to disable file logging */
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| Line 509... |
Line 510... |
void mult_big_signed(int a,
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void mult_big_signed(int a,
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int b,
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int b,
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unsigned int *hi,
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unsigned int *hi,
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unsigned int *lo)
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unsigned int *lo)
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{
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{
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unsigned int ahi, alo, bhi, blo;
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int64_t xa, xb, xr, temp;
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unsigned int c0, c1, c2;
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int32_t rh, rl;
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unsigned int c1_a, c1_b;
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ahi = a >> 16;
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xa = a;
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alo = a & 0xffff;
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xb = b;
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bhi = b >> 16;
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xr = xa * xb;
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blo = b & 0xffff;
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temp = (xr >> 32) & 0xffffffff;
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c0 = alo * blo;
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rh = temp;
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c1_a = ahi * blo;
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temp = (xr >> 0) & 0xffffffff;
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c1_b = alo * bhi;
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rl = temp;
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c2 = ahi * bhi;
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c2 += (c1_a >> 16) + (c1_b >> 16);
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*hi = rh;
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c1 = (c1_a & 0xffff) + (c1_b & 0xffff) + (c0 >> 16);
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*lo = rl;
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c2 += (c1 >> 16);
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c0 = (c1 << 16) + (c0 & 0xffff);
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*hi = c2;
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*lo = c0;
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}
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}
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/** Load data from memory (used to simulate load delay slots) */
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/** Load data from memory (used to simulate load delay slots) */
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void start_load(State *s, int rt, int data){
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void start_load(State *s, int rt, int data){
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if(s->load_delay_slot){
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if(s->load_delay_slot){
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