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Add vmladduhm instruction. 

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@6187 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:13:00 +00:00
parent eae07261c7
commit bcd2ee23ea
3 changed files with 28 additions and 0 deletions
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1
target-ppc/helper.h
View File

@ -184,6 +184,7 @@ DEF_HELPER_4(vmsumuhm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsumuhs, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsumshm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsumshs, void, avr, avr, avr, avr)
DEF_HELPER_4(vmladduhm, void, avr, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

9
target-ppc/op_helper.c
View File

@ -2117,6 +2117,15 @@ VMINMAX(uw, u32)
#undef VMINMAX_DO
#undef VMINMAX
void helper_vmladduhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int i;
for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
int32_t prod = a->s16[i] * b->s16[i];
r->s16[i] = (int16_t) (prod + c->s16[i]);
}
}
#define VMRG_DO(name, element, highp) \
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \

18
target-ppc/translate.c
View File

@ -6387,6 +6387,24 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC)
{
TCGv_ptr ra, rb, rc, rd;
if (unlikely(!ctx->altivec_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VPU);
return;
}
ra = gen_avr_ptr(rA(ctx->opcode));
rb = gen_avr_ptr(rB(ctx->opcode));
rc = gen_avr_ptr(rC(ctx->opcode));
rd = gen_avr_ptr(rD(ctx->opcode));
gen_helper_vmladduhm(rd, ra, rb, rc);
tcg_temp_free_ptr(ra);
tcg_temp_free_ptr(rb);
tcg_temp_free_ptr(rc);
tcg_temp_free_ptr(rd);
}
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)