diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-02-15 10:00:45 +0000 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-02-18 11:00:44 +1100 |
| commit | 0f6a6d5db853c0cbe438c1831c70710bfb6530ee (patch) | |
| tree | 9627016edff919ead6553ff7d59fc2dff0c1bcfe /target/ppc | |
| parent | 471ff3d0257135b938d0a5f2181f22cd753d50de (diff) | |
target/ppc: convert vsplt[bhw] to use vector operations
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215100058.20015-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/helper.h | 3 | ||||
| -rw-r--r-- | target/ppc/int_helper.c | 19 | ||||
| -rw-r--r-- | target/ppc/translate/vmx-impl.inc.c | 46 |
3 files changed, 27 insertions, 41 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 2aa60e5d36..069daa9883 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -246,9 +246,6 @@ DEF_HELPER_3(vrld, void, avr, avr, avr) DEF_HELPER_3(vsl, void, avr, avr, avr) DEF_HELPER_3(vsr, void, avr, avr, avr) DEF_HELPER_4(vsldoi, void, avr, avr, 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(vextractub, void, avr, avr, i32) DEF_HELPER_3(vextractuh, void, avr, avr, i32) DEF_HELPER_3(vextractuw, void, avr, avr, i32) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 2f793a3543..5c9623e952 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1869,25 +1869,6 @@ void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) #endif } -/* Experimental testing shows that hardware masks the immediate. */ -#define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) -#define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) -#define VSPLT(suffix, element, access) \ - void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ - { \ - uint32_t s = b->access(SPLAT_ELEMENT(element)); \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - r->access(i) = s; \ - } \ - } -VSPLT(b, u8, VsrB) -VSPLT(h, u16, VsrH) -VSPLT(w, u32, VsrW) -#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) \ diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c index c26c342e16..41ddbd879f 100644 --- a/target/ppc/translate/vmx-impl.inc.c +++ b/target/ppc/translate/vmx-impl.inc.c @@ -798,24 +798,32 @@ GEN_VXFORM_NOA(vprtybw, 1, 24); GEN_VXFORM_NOA(vprtybd, 1, 24); GEN_VXFORM_NOA(vprtybq, 1, 24); -#define GEN_VXFORM_UIMM(name, opc2, opc3) \ -static void glue(gen_, name)(DisasContext *ctx) \ - { \ - TCGv_ptr rb, rd; \ - TCGv_i32 uimm; \ - if (unlikely(!ctx->altivec_enabled)) { \ - gen_exception(ctx, POWERPC_EXCP_VPU); \ - return; \ - } \ - uimm = tcg_const_i32(UIMM5(ctx->opcode)); \ - rb = gen_avr_ptr(rB(ctx->opcode)); \ - rd = gen_avr_ptr(rD(ctx->opcode)); \ - gen_helper_##name (rd, rb, uimm); \ - tcg_temp_free_i32(uimm); \ - tcg_temp_free_ptr(rb); \ - tcg_temp_free_ptr(rd); \ +static void gen_vsplt(DisasContext *ctx, int vece) +{ + int uimm, dofs, bofs; + + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; } + uimm = UIMM5(ctx->opcode); + bofs = avr64_offset(rB(ctx->opcode), true); + dofs = avr64_offset(rD(ctx->opcode), true); + + /* Experimental testing shows that hardware masks the immediate. */ + bofs += (uimm << vece) & 15; +#ifndef HOST_WORDS_BIGENDIAN + bofs ^= 15; + bofs &= ~((1 << vece) - 1); +#endif + + tcg_gen_gvec_dup_mem(vece, dofs, bofs, 16, 16); +} + +#define GEN_VXFORM_VSPLT(name, vece, opc2, opc3) \ +static void glue(gen_, name)(DisasContext *ctx) { gen_vsplt(ctx, vece); } + #define GEN_VXFORM_UIMM_ENV(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ @@ -858,9 +866,9 @@ static void glue(gen_, name)(DisasContext *ctx) \ 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_VSPLT(vspltb, MO_8, 6, 8); +GEN_VXFORM_VSPLT(vsplth, MO_16, 6, 9); +GEN_VXFORM_VSPLT(vspltw, MO_32, 6, 10); GEN_VXFORM_UIMM_SPLAT(vextractub, 6, 8, 15); GEN_VXFORM_UIMM_SPLAT(vextractuh, 6, 9, 14); GEN_VXFORM_UIMM_SPLAT(vextractuw, 6, 10, 12); |