xxextractuw: VSX Vector Extract Unsigned Word Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com> --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 31 +++++++++++++++++++++++++++++++ target-ppc/translate/vsx-impl.inc.c | 27 +++++++++++++++++++++++++++ target-ppc/translate/vsx-ops.inc.c | 5 +++++ 4 files changed, 64 insertions(+)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 91bdfc3..940f81c 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -536,6 +536,7 @@ DEF_HELPER_2(xvrspic, void, env, i32) DEF_HELPER_2(xvrspim, void, env, i32) DEF_HELPER_2(xvrspip, void, env, i32) DEF_HELPER_2(xvrspiz, void, env, i32) +DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 7030f61..093c5ec 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -2033,6 +2033,37 @@ VEXTRACT(uw, u32) VEXTRACT(d, u64) #undef VEXTRACT +#if defined(HOST_WORDS_BIGENDIAN) +#define XXEXTRACT(name, element) \ +void helper_##name(CPUPPCState *env, target_ulong xtn, \ + target_ulong xbn, uint32_t index) \ +{ \ + ppc_vsr_t xt, xb; \ + uint32_t es = sizeof(xt.element[0]); \ + \ + getVSR(xbn, &xb, env); \ + memset(&xt, 0, sizeof(xt)); \ + memcpy(&xt.u8[8 - es], &xb.u8[index], es); \ + putVSR(xtn, &xt, env); \ +} +#else +#define XXEXTRACT(name, element) \ +void helper_##name(CPUPPCState *env, target_ulong xtn, \ + target_ulong xbn, uint32_t index) \ +{ \ + ppc_vsr_t xt, xb; \ + uint32_t es = sizeof(xt.element[0]); \ + uint32_t s = (16 - index) - es; \ + \ + getVSR(xbn, &xb, env); \ + memset(&xt, 0, sizeof(xt)); \ + memcpy(&xt.u8[8], &xb.u8[s], es); \ + putVSR(xtn, &xt, env); \ +} +#endif +XXEXTRACT(xxextractuw, u32) +#undef XXEXTRACT + #define VEXT_SIGNED(name, element, mask, cast, recast) \ void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ { \ diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index c691141..a9c07c9 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -1162,6 +1162,33 @@ static void gen_xxsldwi(DisasContext *ctx) tcg_temp_free_i64(xtl); } +#define VSX_EXTRACT(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv xt, xb; \ + TCGv_i32 t0 = tcg_temp_new_i32(); \ + uint8_t uimm = UIMM4(ctx->opcode); \ + \ + if (unlikely(!ctx->vsx_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VSXU); \ + return; \ + } \ + if (uimm > 12) { \ + tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), 0); \ + tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), 0); \ + return; \ + } \ + xt = tcg_const_tl(xT(ctx->opcode)); \ + xb = tcg_const_tl(xB(ctx->opcode)); \ + tcg_gen_movi_i32(t0, uimm); \ + gen_helper_##name(cpu_env, xt, xb, t0); \ + tcg_temp_free(xb); \ + tcg_temp_free(xt); \ + tcg_temp_free_i32(t0); \ +} + +VSX_EXTRACT(xxextractuw) + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index be446ae..3ce657d 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -45,6 +45,10 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) +#define GEN_XX2FORM_EXT(name, opc2, opc3, fl2) \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0x00100000, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0x00100000, PPC_NONE, fl2) + #define GEN_XX2FORM_EO(name, opc2, opc3, opc4, fl2) \ GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 0, opc3, opc4, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 1, opc3, opc4, 0, PPC_NONE, fl2) @@ -272,6 +276,7 @@ GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX), GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX), GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00), +GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300), #define GEN_XXSEL_ROW(opc3) \ GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \ -- 2.7.4