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Add vsr{,a}{b,h,w} instructions.

Browse source 
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@6165 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:08:58 +00:00
parent 2c2779080c
commit 07ef34c35e
3 changed files with 30 additions and 0 deletions
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18
target-ppc/op_helper.c
View file

@ -2088,6 +2088,24 @@ VMUL(uh, u16, u32)
#undef VMUL_DO
#undef VMUL
#define VSR(suffix, element) \
void helper_vsr##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
int i; \
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
unsigned int shift = b->element[i] & mask; \
r->element[i] = a->element[i] >> shift; \
} \
}
VSR(ab, s8)
VSR(ah, s16)
VSR(aw, s32)
VSR(b, u8)
VSR(h, u16)
VSR(w, u32)
#undef VSR
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX