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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:10 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:10 +0000 |
| commit | 79f85c3ae96b9406809c3ee53881d1d891691c5f (patch) | |
| tree | 781f1e9155044c7851b58237d7aff940cea6998e /target-ppc/op_helper.c | |
| parent | de5f248499bbaee01f25e6a48ad5bb9d3c49961e (diff) | |
Add vupk{h,l}px 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@6176 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index c4060bafe9..9bc213dbc8 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2248,6 +2248,35 @@ void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) } } +#if defined(WORDS_BIGENDIAN) +#define UPKHI 1 +#define UPKLO 0 +#else +#define UPKHI 0 +#define UPKLO 1 +#endif +#define VUPKPX(suffix, hi) \ + void helper_vupk##suffix (ppc_avr_t *r, ppc_avr_t *b) \ + { \ + int i; \ + ppc_avr_t result; \ + for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ + uint16_t e = b->u16[hi ? i : i+4]; \ + uint8_t a = (e >> 15) ? 0xff : 0; \ + uint8_t r = (e >> 10) & 0x1f; \ + uint8_t g = (e >> 5) & 0x1f; \ + uint8_t b = e & 0x1f; \ + result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ + } \ + *r = result; \ + } +VUPKPX(lpx, UPKLO) +VUPKPX(hpx, UPKHI) +#undef VUPKPX + +#undef UPKHI +#undef UPKLO + #undef VECTOR_FOR_INORDER_I #undef HI_IDX #undef LO_IDX |