From e7b1e06fbcb81ac66e2586214a6c42fdf15fadf3 Mon Sep 17 00:00:00 2001 From: Rajalakshmi Srinivasaraghavan Date: Tue, 6 Sep 2016 10:34:06 +0530 Subject: [PATCH] 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 Signed-off-by: David Gibson --- target-ppc/helper.h | 4 ++++ target-ppc/int_helper.c | 20 ++++++++++++++++++++ target-ppc/translate.c | 2 ++ target-ppc/translate/vmx-impl.inc.c | 32 ++++++++++++++++++++++++++++++++ target-ppc/translate/vmx-ops.inc.c | 18 +++++++++++++----- 5 files changed, 71 insertions(+), 5 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index dcf3f95..5ae10bc 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -250,6 +250,10 @@ DEF_HELPER_2(vspltisw, void, avr, i32) DEF_HELPER_3(vspltb, void, avr, avr, i32) DEF_HELPER_3(vsplth, void, avr, avr, i32) DEF_HELPER_3(vspltw, void, avr, avr, i32) +DEF_HELPER_3(vinsertb, void, avr, avr, i32) +DEF_HELPER_3(vinserth, void, avr, avr, i32) +DEF_HELPER_3(vinsertw, void, avr, avr, i32) +DEF_HELPER_3(vinsertd, void, avr, avr, i32) DEF_HELPER_2(vupkhpx, void, avr, avr) DEF_HELPER_2(vupklpx, void, avr, avr) DEF_HELPER_2(vupkhsb, void, avr, avr) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 552b2e0..66a3d87 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1792,6 +1792,26 @@ VSPLT(w, u32) #undef VSPLT #undef SPLAT_ELEMENT #undef _SPLAT_MASKED +#if defined(HOST_WORDS_BIGENDIAN) +#define VINSERT(suffix, element) \ + void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ + { \ + memmove(&r->u8[index], &b->u8[8 - sizeof(r->element)], \ + sizeof(r->element[0])); \ + } +#else +#define VINSERT(suffix, element) \ + void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ + { \ + uint32_t d = (16 - index) - sizeof(r->element[0]); \ + memmove(&r->u8[d], &b->u8[8], sizeof(r->element[0])); \ + } +#endif +VINSERT(b, u8) +VINSERT(h, u16) +VINSERT(w, u32) +VINSERT(d, u64) +#undef VINSERT #define VSPLTI(suffix, element, splat_type) \ void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index f01ce1e..a27f455 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -498,6 +498,8 @@ EXTRACT_HELPER(UIMM, 0, 16); EXTRACT_HELPER(SIMM5, 16, 5); /* 5 bits signed immediate value */ EXTRACT_HELPER(UIMM5, 16, 5); +/* 4 bits unsigned immediate value */ +EXTRACT_HELPER(UIMM4, 16, 4); /* Bit count */ EXTRACT_HELPER(NB, 11, 5); /* Shift count */ diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index b984122..59ae68a 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) { diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c index 2a9f225..e6abeae 100644 --- a/target-ppc/translate/vmx-ops.inc.c +++ b/target-ppc/translate/vmx-ops.inc.c @@ -41,6 +41,9 @@ GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ALTIVEC_207) #define GEN_VXFORM_300(name, opc2, opc3) \ GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300) +#define GEN_VXFORM_300_EXT(name, opc2, opc3, inval) \ +GEN_HANDLER_E(name, 0x04, opc2, opc3, inval, PPC_NONE, PPC2_ISA300) + #define GEN_VXFORM_DUAL(name0, name1, opc2, opc3, type0, type1) \ GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1) @@ -191,11 +194,16 @@ GEN_VXRFORM(vcmpgefp, 3, 7) GEN_VXRFORM_DUAL(vcmpgtfp, vcmpgtud, 3, 11, PPC_ALTIVEC, PPC_NONE) GEN_VXRFORM_DUAL(vcmpbfp, vcmpgtsd, 3, 15, PPC_ALTIVEC, PPC_NONE) -#define GEN_VXFORM_SIMM(name, opc2, opc3) \ - GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) -GEN_VXFORM_SIMM(vspltisb, 6, 12), -GEN_VXFORM_SIMM(vspltish, 6, 13), -GEN_VXFORM_SIMM(vspltisw, 6, 14), +#define GEN_VXFORM_DUAL_INV(name0, name1, opc2, opc3, inval0, inval1, type) \ +GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, \ + PPC_NONE) +GEN_VXFORM_DUAL_INV(vspltisb, vinsertb, 6, 12, 0x00000000, 0x100000, + PPC2_ALTIVEC_207), +GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000, + PPC2_ALTIVEC_207), +GEN_VXFORM_DUAL_INV(vspltisw, vinsertw, 6, 14, 0x00000000, 0x100000, + PPC2_ALTIVEC_207), +GEN_VXFORM_300_EXT(vinsertd, 6, 15, 0x100000), #define GEN_VXFORM_NOA(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) -- 2.7.4