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Add vmh{,r}addshs instructions.

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Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6184 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:12:29 +00:00
parent 1dd9ffb969
commit b161ae2766
3 changed files with 36 additions and 0 deletions
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2
target-ppc/helper.h
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@ -178,6 +178,8 @@ DEF_HELPER_3(vpkuwus, void, avr, avr, avr)
DEF_HELPER_3(vpkuhum, void, avr, avr, avr)
DEF_HELPER_3(vpkuwum, void, avr, avr, avr)
DEF_HELPER_3(vpkpx, void, avr, avr, avr)
DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr)
DEF_HELPER_4(vmhraddshs, void, avr, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

32
target-ppc/op_helper.c
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@ -2061,6 +2061,38 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
void helper_vmhaddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;
int i;
for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
int32_t prod = a->s16[i] * b->s16[i];
int32_t t = (int32_t)c->s16[i] + (prod >> 15);
r->s16[i] = cvtswsh (t, &sat);
}
if (sat) {
env->vscr |= (1 << VSCR_SAT);
}
}
void helper_vmhraddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;
int i;
for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
int32_t prod = a->s16[i] * b->s16[i] + 0x00004000;
int32_t t = (int32_t)c->s16[i] + (prod >> 15);
r->s16[i] = cvtswsh (t, &sat);
}
if (sat) {
env->vscr |= (1 << VSCR_SAT);
}
}
#define VMINMAX_DO(name, compare, element) \
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \

2
target-ppc/translate.c
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@ -6385,6 +6385,8 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
tcg_temp_free_ptr(rd); \
}
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vsel, vperm, 21)