diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:49 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:49 +0000 |
| commit | d1258698f5c295a2c34258ea6bcf406794ff6e95 (patch) | |
| tree | efd21810fe877208f3be81ab3b9ae7c64c05bc9e /target-ppc/op_helper.c | |
| parent | b04ae9811a944c2c7356692c13dcf32505b87d84 (diff) | |
Add vsel and vperm 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@6180 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 21335294e5..87ae2ca4eb 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -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) \ { \ |