diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-06 10:34:06 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 10:29:40 +1000 |
| commit | e7b1e06fbcb81ac66e2586214a6c42fdf15fadf3 (patch) | |
| tree | 8f291ecba88e9543ef420de6b4eb0c88138ab747 /target-ppc/translate/vmx-impl.inc.c | |
| parent | 6ca038c292d9274dc224d401a1ba16eb5a1dd501 (diff) | |
target-ppc: add vector insert instructions
The following vector insert instructions are added from ISA 3.0.
vinsertb - Vector Insert Byte
vinserth - Vector Insert Halfword
vinsertw - Vector Insert Word
vinsertd - Vector Insert Doubleword
Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/translate/vmx-impl.inc.c')
| -rw-r--r-- | target-ppc/translate/vmx-impl.inc.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index b9841222ea..59ae68ab13 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -639,13 +639,45 @@ static void glue(gen_, name)(DisasContext *ctx) \ tcg_temp_free_ptr(rd); \ } +#define GEN_VXFORM_UIMM_SPLAT(name, opc2, opc3, splat_max) \ +static void glue(gen_, name)(DisasContext *ctx) \ + { \ + TCGv_ptr rb, rd; \ + uint8_t uimm = UIMM4(ctx->opcode); \ + TCGv_i32 t0 = tcg_temp_new_i32(); \ + if (unlikely(!ctx->altivec_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VPU); \ + return; \ + } \ + if (uimm > splat_max) { \ + uimm = 0; \ + } \ + tcg_gen_movi_i32(t0, uimm); \ + rb = gen_avr_ptr(rB(ctx->opcode)); \ + rd = gen_avr_ptr(rD(ctx->opcode)); \ + gen_helper_##name(rd, rb, t0); \ + tcg_temp_free_i32(t0); \ + tcg_temp_free_ptr(rb); \ + tcg_temp_free_ptr(rd); \ + } + GEN_VXFORM_UIMM(vspltb, 6, 8); GEN_VXFORM_UIMM(vsplth, 6, 9); GEN_VXFORM_UIMM(vspltw, 6, 10); +GEN_VXFORM_UIMM_SPLAT(vinsertb, 6, 12, 15); +GEN_VXFORM_UIMM_SPLAT(vinserth, 6, 13, 14); +GEN_VXFORM_UIMM_SPLAT(vinsertw, 6, 14, 12); +GEN_VXFORM_UIMM_SPLAT(vinsertd, 6, 15, 8); GEN_VXFORM_UIMM_ENV(vcfux, 5, 12); GEN_VXFORM_UIMM_ENV(vcfsx, 5, 13); GEN_VXFORM_UIMM_ENV(vctuxs, 5, 14); GEN_VXFORM_UIMM_ENV(vctsxs, 5, 15); +GEN_VXFORM_DUAL(vspltisb, PPC_NONE, PPC2_ALTIVEC_207, + vinsertb, PPC_NONE, PPC2_ISA300); +GEN_VXFORM_DUAL(vspltish, PPC_NONE, PPC2_ALTIVEC_207, + vinserth, PPC_NONE, PPC2_ISA300); +GEN_VXFORM_DUAL(vspltisw, PPC_NONE, PPC2_ALTIVEC_207, + vinsertw, PPC_NONE, PPC2_ISA300); static void gen_vsldoi(DisasContext *ctx) { |