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Add vmrg{l,h}{b,h,w} 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@6163 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:08:38 +00:00
parent fad6cb1a56
commit 3b43004804
3 changed files with 47 additions and 0 deletions
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35
target-ppc/op_helper.c
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@ -2031,6 +2031,41 @@ VMINMAX(uw, u32)
#undef VMINMAX_DO
#undef VMINMAX
#define VMRG_DO(name, element, highp) \
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
ppc_avr_t result; \
int i; \
size_t n_elems = ARRAY_SIZE(r->element); \
for (i = 0; i < n_elems/2; i++) { \
if (highp) { \
result.element[i*2+HI_IDX] = a->element[i]; \
result.element[i*2+LO_IDX] = b->element[i]; \
} else { \
result.element[n_elems - i*2 - (1+HI_IDX)] = b->element[n_elems - i - 1]; \
result.element[n_elems - i*2 - (1+LO_IDX)] = a->element[n_elems - i - 1]; \
} \
} \
*r = result; \
}
#if defined(WORDS_BIGENDIAN)
#define MRGHI 0
#define MRGL0 1
#else
#define MRGHI 1
#define MRGLO 0
#endif
#define VMRG(suffix, element) \
VMRG_DO(mrgl##suffix, element, MRGHI) \
VMRG_DO(mrgh##suffix, element, MRGLO)
VMRG(b, u8)
VMRG(h, u16)
VMRG(w, u32)
#undef VMRG_DO
#undef VMRG
#undef MRGHI
#undef MRGLO
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX