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Add vsel and vperm 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@6180 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:11:49 +00:00
parent b04ae9811a
commit d1258698f5
3 changed files with 29 additions and 0 deletions
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2
target-ppc/helper.h
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@ -167,6 +167,8 @@ DEF_HELPER_2(vupklsb, void, avr, avr)
DEF_HELPER_2(vupklsh, void, avr, avr)
DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr)
DEF_HELPER_4(vsel, void, avr, avr, avr, avr)
DEF_HELPER_4(vperm, void, avr, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

26
target-ppc/op_helper.c
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@ -2143,6 +2143,26 @@ VMUL(uh, u16, u32)
#undef VMUL_DO
#undef VMUL
void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
ppc_avr_t result;
int i;
VECTOR_FOR_INORDER_I (i, u8) {
int s = c->u8[i] & 0x1f;
#if defined(WORDS_BIGENDIAN)
int index = s & 0xf;
#else
int index = 15 - (s & 0xf);
#endif
if (s & 0x10) {
result.u8[i] = b->u8[index];
} else {
result.u8[i] = a->u8[index];
}
}
*r = result;
}
#define VROTATE(suffix, element) \
void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
@ -2158,6 +2178,12 @@ VROTATE(h, u16)
VROTATE(w, u32)
#undef VROTATE
void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]);
r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
}
#define VSL(suffix, element) \
void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \

1
target-ppc/translate.c
View File

@ -6377,6 +6377,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
}
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vsel, vperm, 21)
/*** SPE extension ***/
/* Register moves */