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[Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, ev
|
From: |
Fabien Chouteau |
|
Subject: |
[Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, evmwsmi{a{a}}, evmwumi{a{a}}) |
|
Date: |
Wed, 16 Mar 2011 11:21:22 +0100 |
Signed-off-by: Fabien Chouteau <address@hidden>
---
target-ppc/translate.c | 201 +++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 197 insertions(+), 4 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 89413c5..e438433 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6502,6 +6502,39 @@ GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
/*** SPE extension ***/
/* Register moves */
+
+static inline void gen_evmra(DisasContext *ctx)
+{
+
+ if (unlikely(!ctx->spe_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_APU);
+ return;
+ }
+
+#if defined(TARGET_PPC64)
+ /* rD := rA */
+ tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
+
+ /* spe_acc := rA */
+ tcg_gen_st_i64(cpu_gpr[rA(ctx->opcode)],
+ cpu_env,
+ offsetof(CPUState, spe_acc));
+#else
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ /* tmp := rA_lo + rA_hi << 32 */
+ tcg_gen_concat_i32_i64(tmp, cpu_gpr[rA(ctx->opcode)],
cpu_gprh[rA(ctx->opcode)]);
+
+ /* spe_acc := tmp */
+ tcg_gen_st_i64(tmp, cpu_env, offsetof(CPUState, spe_acc));
+ tcg_temp_free_i64(tmp);
+
+ /* rD := rA */
+ tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]);
+#endif
+}
+
static inline void gen_load_gpr64(TCGv_i64 t, int reg)
{
#if defined(TARGET_PPC64)
@@ -7090,6 +7123,162 @@ static void gen_evsel3(DisasContext *ctx)
gen_evsel(ctx);
}
+/* Multiply */
+
+static inline void gen_evmwumi(DisasContext *ctx)
+{
+ TCGv_i64 t0, t1;
+
+ if (unlikely(!ctx->spe_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_APU);
+ return;
+ }
+
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+
+ /* t0 := rA; t1 := rB */
+#if defined(TARGET_PPC64)
+ tcg_gen_ext32u_tl(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32u_tl(t1, cpu_gpr[rB(ctx->opcode)]);
+#else
+ tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+#endif
+
+ tcg_gen_mul_i64(t0, t0, t1); /* t0 := rA * rB */
+
+ gen_store_gpr64(rD(ctx->opcode), t0); /* rD := t0 */
+
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);}
+
+static inline void gen_evmwumia(DisasContext *ctx)
+{
+ TCGv_i64 tmp;
+
+ if (unlikely(!ctx->spe_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_APU);
+ return;
+ }
+
+ gen_evmwumi(ctx); /* rD := rA * rB */
+
+ tmp = tcg_temp_new_i64();
+
+ /* acc := rD */
+ gen_load_gpr64(tmp, rD(ctx->opcode));
+ tcg_gen_st_i64(tmp, cpu_env, offsetof(CPUState, spe_acc));
+ tcg_temp_free_i64(tmp);
+}
+
+static inline void gen_evmwumiaa(DisasContext *ctx)
+{
+ TCGv_i64 acc;
+ TCGv_i64 tmp;
+
+ if (unlikely(!ctx->spe_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_APU);
+ return;
+ }
+
+ gen_evmwumi(ctx); /* rD := rA * rB */
+
+ acc = tcg_temp_new_i64();
+ tmp = tcg_temp_new_i64();
+
+ /* tmp := rD */
+ gen_load_gpr64(tmp, rD(ctx->opcode));
+
+ /* Load acc */
+ tcg_gen_ld_i64(acc, cpu_env, offsetof(CPUState, spe_acc));
+
+ /* acc := tmp + acc */
+ tcg_gen_add_i64(acc, acc, tmp);
+
+ /* Store acc */
+ tcg_gen_st_i64(acc, cpu_env, offsetof(CPUState, spe_acc));
+
+ /* rD := acc */
+ gen_store_gpr64(rD(ctx->opcode), acc);
+
+ tcg_temp_free_i64(acc);
+ tcg_temp_free_i64(tmp);
+}
+
+static inline void gen_evmwsmi(DisasContext *ctx)
+{
+ TCGv_i64 t0, t1;
+
+ if (unlikely(!ctx->spe_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_APU);
+ return;
+ }
+
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+
+ /* t0 := rA; t1 := rB */
+#if defined(TARGET_PPC64)
+ tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
+#else
+ tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+#endif
+
+ tcg_gen_mul_i64(t0, t0, t1); /* t0 := rA * rB */
+
+ gen_store_gpr64(rD(ctx->opcode), t0); /* rD := t0 */
+
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+}
+
+static inline void gen_evmwsmia(DisasContext *ctx)
+{
+ TCGv_i64 tmp;
+
+ gen_evmwsmi(ctx); /* rD := rA * rB */
+
+ tmp = tcg_temp_new_i64();
+
+ /* acc := rD */
+ gen_load_gpr64(tmp, rD(ctx->opcode));
+ tcg_gen_st_i64(tmp, cpu_env, offsetof(CPUState, spe_acc));
+
+ tcg_temp_free_i64(tmp);
+}
+
+static inline void gen_evmwsmiaa(DisasContext *ctx)
+{
+ TCGv_i64 acc = tcg_temp_new_i64();
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ gen_evmwsmi(ctx); /* rD := rA * rB */
+
+ acc = tcg_temp_new_i64();
+ tmp = tcg_temp_new_i64();
+
+ /* tmp := rD */
+ gen_load_gpr64(tmp, rD(ctx->opcode));
+
+ /* Load acc */
+ tcg_gen_ld_i64(acc, cpu_env, offsetof(CPUState, spe_acc));
+
+ /* acc := tmp + acc */
+ tcg_gen_add_i64(acc, acc, tmp);
+
+ /* Store acc */
+ tcg_gen_st_i64(acc, cpu_env, offsetof(CPUState, spe_acc));
+
+ /* rD := acc */
+ gen_store_gpr64(rD(ctx->opcode), acc);
+
+ tcg_temp_free_i64(acc);
+ tcg_temp_free_i64(tmp);
+}
+
GEN_SPE(evaddw, speundef, 0x00, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evaddiw, speundef, 0x01, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evsubfw, speundef, 0x02, 0x08, 0x00000000, PPC_SPE); ////
@@ -7098,10 +7287,14 @@ GEN_SPE(evabs, evneg, 0x04, 0x08,
0x0000F800, PPC_SPE); ////
GEN_SPE(evextsb, evextsh, 0x05, 0x08, 0x0000F800, PPC_SPE); ////
GEN_SPE(evrndw, evcntlzw, 0x06, 0x08, 0x0000F800, PPC_SPE); ////
GEN_SPE(evcntlsw, brinc, 0x07, 0x08, 0x00000000, PPC_SPE); //
+GEN_SPE(evmra, speundef, 0x02, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(speundef, evand, 0x08, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evandc, speundef, 0x09, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evxor, evor, 0x0B, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evnor, eveqv, 0x0C, 0x08, 0x00000000, PPC_SPE); ////
+GEN_SPE(evmwumi, evmwsmi, 0x0C, 0x11, 0x00000000, PPC_SPE);
+GEN_SPE(evmwumia, evmwsmia, 0x1C, 0x11, 0x00000000, PPC_SPE);
+GEN_SPE(evmwumiaa, evmwsmiaa, 0x0C, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evorc, 0x0D, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evnand, speundef, 0x0F, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evsrwu, evsrws, 0x10, 0x08, 0x00000000, PPC_SPE); ////
@@ -7491,14 +7684,12 @@ GEN_SPE(evmwlumi, speundef, 0x04, 0x11,
0x00000000, PPC_SPE);
GEN_SPE(evmwhumi, evmwhsmi, 0x06, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhsmf, 0x07, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssf, 0x09, 0x11, 0x00000000, PPC_SPE);
-GEN_SPE(evmwumi, evmwsmi, 0x0C, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmf, 0x0D, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhssfa, 0x13, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumia, speundef, 0x14, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwhumia, evmwhsmia, 0x16, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhsmfa, 0x17, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssfa, 0x19, 0x11, 0x00000000, PPC_SPE);
-GEN_SPE(evmwumia, evmwsmia, 0x1C, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmfa, 0x1D, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evadduiaaw, evaddsiaaw, 0x00, 0x13, 0x0000F800, PPC_SPE);
@@ -7506,7 +7697,6 @@ GEN_SPE(evsubfusiaaw, evsubfssiaaw, 0x01, 0x13,
0x0000F800, PPC_SPE);
GEN_SPE(evaddumiaaw, evaddsmiaaw, 0x04, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evsubfumiaaw, evsubfsmiaaw, 0x05, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evdivws, evdivwu, 0x06, 0x13, 0x00000000, PPC_SPE);
-GEN_SPE(evmra, speundef, 0x07, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evmheusiaaw, evmhessiaaw, 0x00, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhessfaaw, 0x01, 0x14, 0x00000000, PPC_SPE);
@@ -7524,7 +7714,6 @@ GEN_SPE(speundef, evmhogsmfaa, 0x17, 0x14,
0x00000000, PPC_SPE);
GEN_SPE(evmwlusiaaw, evmwlssiaaw, 0x00, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumiaaw, evmwlsmiaaw, 0x04, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssfaa, 0x09, 0x15, 0x00000000, PPC_SPE);
-GEN_SPE(evmwumiaa, evmwsmiaa, 0x0C, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmfaa, 0x0D, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(evmheusianw, evmhessianw, 0x00, 0x16, 0x00000000, PPC_SPE);
@@ -8739,10 +8928,14 @@ GEN_SPE(evabs, evneg, 0x04, 0x08,
0x0000F800, PPC_SPE),
GEN_SPE(evextsb, evextsh, 0x05, 0x08, 0x0000F800, PPC_SPE),
GEN_SPE(evrndw, evcntlzw, 0x06, 0x08, 0x0000F800, PPC_SPE),
GEN_SPE(evcntlsw, brinc, 0x07, 0x08, 0x00000000, PPC_SPE),
+GEN_SPE(evmra, speundef, 0x02, 0x13, 0x0000F800, PPC_SPE),
GEN_SPE(speundef, evand, 0x08, 0x08, 0x00000000, PPC_SPE),
GEN_SPE(evandc, speundef, 0x09, 0x08, 0x00000000, PPC_SPE),
GEN_SPE(evxor, evor, 0x0B, 0x08, 0x00000000, PPC_SPE),
GEN_SPE(evnor, eveqv, 0x0C, 0x08, 0x00000000, PPC_SPE),
+GEN_SPE(evmwumi, evmwsmi, 0x0C, 0x11, 0x00000000, PPC_SPE),
+GEN_SPE(evmwumia, evmwsmia, 0x1C, 0x11, 0x00000000, PPC_SPE),
+GEN_SPE(evmwumiaa, evmwsmiaa, 0x0C, 0x15, 0x00000000, PPC_SPE),
GEN_SPE(speundef, evorc, 0x0D, 0x08, 0x00000000, PPC_SPE),
GEN_SPE(evnand, speundef, 0x0F, 0x08, 0x00000000, PPC_SPE),
GEN_SPE(evsrwu, evsrws, 0x10, 0x08, 0x00000000, PPC_SPE),
--
1.7.1
- [Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, evmwsmi{a{a}}, evmwumi{a{a}}),
Fabien Chouteau <=
- Re: [Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, evmwsmi{a{a}}, evmwumi{a{a}}), Fabien Chouteau, 2011/03/18
- Re: [Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, evmwsmi{a{a}}, evmwumi{a{a}}), Nathan Froyd, 2011/03/21
- Re: [Qemu-devel] [PATCH] [PPC] Add support for 6 SPE instructions (evmra, evmwsmi{a{a}}, evmwumi{a{a}}), Aurelien Jarno, 2011/03/22