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author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:08:38 +0000 |
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committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:08:38 +0000 |
commit | 3b43004804f01a07e65714e936af9a6cf0c62473 (patch) | |
tree | cbaefa266fa24a80b696a87600810afa5b0d5f5f /target-ppc/op_helper.c | |
parent | fad6cb1a565bb73f83fc0e2654489457b489e436 (diff) | |
download | qemu-3b43004804f01a07e65714e936af9a6cf0c62473.zip |
Add vmrg{l,h}{b,h,w} 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@6163 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r-- | target-ppc/op_helper.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 9566aaf031..3e495a1b12 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -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 |