Skip to content

Commit

Permalink
target/ppc: convert vspltis[bhw] to use vector operations
Browse files Browse the repository at this point in the history 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190215100058.20015-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
  • Loading branch information
@rth7680 @dgibson
rth7680 authored and dgibson committed Feb 18, 2019
1 parent 3e942a1 commit 471ff3d
Show file tree
Hide file tree
Showing 3 changed files with 8 additions and 46 deletions.
3 changes: 0 additions & 3 deletions target/ppc/helper.h
View file
Expand Up @@ -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_2(vspltisb, void, avr, i32)
DEF_HELPER_2(vspltish, void, avr, i32)
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)
Expand Down
15 changes: 0 additions & 15 deletions target/ppc/int_helper.c
View file
Expand Up @@ -1998,21 +1998,6 @@ VNEG(vnegw, s32)
VNEG(vnegd, s64)
#undef VNEG

#define VSPLTI(suffix, element, splat_type) \
void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \
{ \
splat_type x = (int8_t)(splat << 3) >> 3; \
int i; \
\
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
r->element[i] = x; \
} \
}
VSPLTI(b, s8, int8_t)
VSPLTI(h, s16, int16_t)
VSPLTI(w, s32, int32_t)
#undef VSPLTI

#define VSR(suffix, element, mask) \
void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
Expand Down
36 changes: 8 additions & 28 deletions target/ppc/translate/vmx-impl.inc.c
View file
Expand Up @@ -704,25 +704,21 @@ GEN_VXRFORM_DUAL(vcmpbfp, PPC_ALTIVEC, PPC_NONE, \
GEN_VXRFORM_DUAL(vcmpgtfp, PPC_ALTIVEC, PPC_NONE, \
vcmpgtud, PPC_NONE, PPC2_ALTIVEC_207)

#define GEN_VXFORM_SIMM(name, opc2, opc3) \
#define GEN_VXFORM_DUPI(name, tcg_op, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
TCGv_ptr rd; \
TCGv_i32 simm; \
int simm; \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
simm = tcg_const_i32(SIMM5(ctx->opcode)); \
rd = gen_avr_ptr(rD(ctx->opcode)); \
gen_helper_##name (rd, simm); \
tcg_temp_free_i32(simm); \
tcg_temp_free_ptr(rd); \
simm = SIMM5(ctx->opcode); \
tcg_op(avr64_offset(rD(ctx->opcode), true), 16, 16, simm); \
}

GEN_VXFORM_SIMM(vspltisb, 6, 12);
GEN_VXFORM_SIMM(vspltish, 6, 13);
GEN_VXFORM_SIMM(vspltisw, 6, 14);
GEN_VXFORM_DUPI(vspltisb, tcg_gen_gvec_dup8i, 6, 12);
GEN_VXFORM_DUPI(vspltish, tcg_gen_gvec_dup16i, 6, 13);
GEN_VXFORM_DUPI(vspltisw, tcg_gen_gvec_dup32i, 6, 14);

#define GEN_VXFORM_NOA(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
Expand Down Expand Up @@ -802,22 +798,6 @@ GEN_VXFORM_NOA(vprtybw, 1, 24);
GEN_VXFORM_NOA(vprtybd, 1, 24);
GEN_VXFORM_NOA(vprtybq, 1, 24);

#define GEN_VXFORM_SIMM(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
TCGv_ptr rd; \
TCGv_i32 simm; \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
simm = tcg_const_i32(SIMM5(ctx->opcode)); \
rd = gen_avr_ptr(rD(ctx->opcode)); \
gen_helper_##name (rd, simm); \
tcg_temp_free_i32(simm); \
tcg_temp_free_ptr(rd); \
}

#define GEN_VXFORM_UIMM(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
Expand Down Expand Up @@ -1240,7 +1220,7 @@ GEN_VXFORM_DUAL(vsldoi, PPC_ALTIVEC, PPC_NONE,
#undef GEN_VXRFORM_DUAL
#undef GEN_VXRFORM1
#undef GEN_VXRFORM
#undef GEN_VXFORM_SIMM
#undef GEN_VXFORM_DUPI
#undef GEN_VXFORM_NOA
#undef GEN_VXFORM_UIMM
#undef GEN_VAFORM_PAIRED
Expand Down

0 comments on commit 471ff3d

Please sign in to comment.