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target-ppc: Altivec 2.07: Vector Permute and Exclusive OR 

This patch adds the Vector Permuate and Exclusive OR (vpermxor)
instruction introduced in Power ISA Version 2.07.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-02-12 15:23:19 -06:00 committed by Alexander Graf
parent 57354f8f12
commit ac174549b7
3 changed files with 21 additions and 1 deletions
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1
target-ppc/helper.h
View File

@ -323,6 +323,7 @@ DEF_HELPER_3(vncipher, void, avr, avr, avr)
DEF_HELPER_3(vncipherlast, void, avr, avr, avr)
DEF_HELPER_3(vshasigmaw, void, avr, avr, i32)
DEF_HELPER_3(vshasigmad, void, avr, avr, i32)
DEF_HELPER_4(vpermxor, void, avr, avr, avr, avr)
DEF_HELPER_4(bcdadd, i32, avr, avr, avr, i32)
DEF_HELPER_4(bcdsub, i32, avr, avr, avr, i32)

14
target-ppc/int_helper.c
View File

@ -2700,6 +2700,20 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
#undef ROTRu64
#undef EL_IDX
void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int i;
VECTOR_FOR_INORDER_I(i, u8) {
int indexA = c->u8[i] >> 4;
int indexB = c->u8[i] & 0xF;
#if defined(HOST_WORDS_BIGENDIAN)
r->u8[i] = a->u8[indexA] ^ b->u8[indexB];
#else
r->u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB];
#endif
}
}
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX

7
target-ppc/translate.c
View File

@ -7459,6 +7459,10 @@ static void gen_##op(DisasContext *ctx) \
VSHASIGMA(vshasigmaw)
VSHASIGMA(vshasigmad)
GEN_VXFORM3(vpermxor, 22, 0xFF)
GEN_VXFORM_DUAL(vsldoi, PPC_ALTIVEC, PPC_NONE,
vpermxor, PPC_NONE, PPC2_ALTIVEC_207)
/*** VSX extension ***/
static inline TCGv_i64 cpu_vsrh(int n)
@ -10111,7 +10115,6 @@ GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC),
GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
GEN_HANDLER2(evsel0, "evsel", 0x04, 0x1c, 0x09, 0x00000000, PPC_SPE),
GEN_HANDLER2(evsel1, "evsel", 0x04, 0x1d, 0x09, 0x00000000, PPC_SPE),
@ -10722,6 +10725,8 @@ GEN_VXFORM_DUAL(vncipher, vncipherlast, 4, 21, PPC_NONE, PPC2_ALTIVEC_207),
GEN_VXFORM_207(vshasigmaw, 1, 26),
GEN_VXFORM_207(vshasigmad, 1, 27),
GEN_VXFORM_DUAL(vsldoi, vpermxor, 22, 0xFF, PPC_ALTIVEC, PPC_NONE),
GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxsiwax, 0x1F, 0x0C, 0x02, 0, PPC_NONE, PPC2_VSX207),
GEN_HANDLER_E(lxsiwzx, 0x1F, 0x0C, 0x00, 0, PPC_NONE, PPC2_VSX207),