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target-ppc: Add v{max,min}fp instructions 

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@6568 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-02-09 16:48:39 +00:00
parent a36b1029e2
commit 1536ff641f
3 changed files with 22 additions and 0 deletions
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2
target-ppc/helper.h
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@ -232,6 +232,8 @@ DEF_HELPER_3(vsum2sws, void, avr, avr, avr)
DEF_HELPER_3(vsum4sbs, void, avr, avr, avr)
DEF_HELPER_3(vsum4shs, void, avr, avr, avr)
DEF_HELPER_3(vsum4ubs, void, avr, avr, avr)
DEF_HELPER_3(vmaxfp, void, avr, avr, avr)
DEF_HELPER_3(vminfp, void, avr, avr, avr)
DEF_HELPER_2(vlogefp, void, avr, avr)
DEF_HELPER_2(vrfim, void, avr, avr)
DEF_HELPER_2(vrfin, void, avr, avr)

18
target-ppc/op_helper.c
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@ -2262,6 +2262,24 @@ VMINMAX(uw, u32)
#undef VMINMAX_DO
#undef VMINMAX
#define VMINMAXFP(suffix, rT, rF) \
void helper_v##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
int i; \
for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \
if (float32_lt_quiet(a->f[i], b->f[i], &env->vec_status)) { \
r->f[i] = rT->f[i]; \
} else { \
r->f[i] = rF->f[i]; \
} \
} \
} \
}
VMINMAXFP(minfp, a, b)
VMINMAXFP(maxfp, b, a)
#undef VMINMAXFP
void helper_vmladduhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int i;

2
target-ppc/translate.c
View File

@ -6395,6 +6395,8 @@ GEN_VXFORM(vsum4sbs, 4, 28);
GEN_VXFORM(vsum4shs, 4, 25);
GEN_VXFORM(vsum2sws, 4, 26);
GEN_VXFORM(vsumsws, 4, 30);
GEN_VXFORM(vmaxfp, 5, 16);
GEN_VXFORM(vminfp, 5, 17);
#define GEN_VXRFORM1(opname, name, str, opc2, opc3) \
GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC) \