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authorYongbok Kim <yongbok.kim@imgtec.com>2014-11-01 05:28:44 +0000
committerLeon Alrae <leon.alrae@imgtec.com>2014-11-03 11:48:35 +0000
commit80e7159184fadfc2dee3b6cc92013d4c4c58348a (patch)
treedfbdd5846c11997419bc5d2e5773fb0122d17407 /target-mips/translate.c
parent4c7895465e069b204e8eb4731ac7f37cd3b1a4eb (diff)
target-mips: add MSA I5 format instruction
add MSA I5 format instructions Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index aba3ccb0b3..e75b864b3b 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -17392,6 +17392,79 @@ static void gen_msa_i8(CPUMIPSState *env, DisasContext *ctx)
tcg_temp_free_i32(ti8);
}
+static void gen_msa_i5(CPUMIPSState *env, DisasContext *ctx)
+{
+#define MASK_MSA_I5(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
+ uint8_t df = (ctx->opcode >> 21) & 0x3;
+ int8_t s5 = (int8_t) sextract32(ctx->opcode, 16, 5);
+ uint8_t u5 = (ctx->opcode >> 16) & 0x1f;
+ uint8_t ws = (ctx->opcode >> 11) & 0x1f;
+ uint8_t wd = (ctx->opcode >> 6) & 0x1f;
+
+ TCGv_i32 tdf = tcg_const_i32(df);
+ TCGv_i32 twd = tcg_const_i32(wd);
+ TCGv_i32 tws = tcg_const_i32(ws);
+ TCGv_i32 timm = tcg_temp_new_i32();
+ tcg_gen_movi_i32(timm, u5);
+
+ switch (MASK_MSA_I5(ctx->opcode)) {
+ case OPC_ADDVI_df:
+ gen_helper_msa_addvi_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_SUBVI_df:
+ gen_helper_msa_subvi_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_MAXI_S_df:
+ tcg_gen_movi_i32(timm, s5);
+ gen_helper_msa_maxi_s_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_MAXI_U_df:
+ gen_helper_msa_maxi_u_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_MINI_S_df:
+ tcg_gen_movi_i32(timm, s5);
+ gen_helper_msa_mini_s_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_MINI_U_df:
+ gen_helper_msa_mini_u_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_CEQI_df:
+ tcg_gen_movi_i32(timm, s5);
+ gen_helper_msa_ceqi_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_CLTI_S_df:
+ tcg_gen_movi_i32(timm, s5);
+ gen_helper_msa_clti_s_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_CLTI_U_df:
+ gen_helper_msa_clti_u_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_CLEI_S_df:
+ tcg_gen_movi_i32(timm, s5);
+ gen_helper_msa_clei_s_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_CLEI_U_df:
+ gen_helper_msa_clei_u_df(cpu_env, tdf, twd, tws, timm);
+ break;
+ case OPC_LDI_df:
+ {
+ int32_t s10 = sextract32(ctx->opcode, 11, 10);
+ tcg_gen_movi_i32(timm, s10);
+ gen_helper_msa_ldi_df(cpu_env, tdf, twd, timm);
+ }
+ break;
+ default:
+ MIPS_INVAL("MSA instruction");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+
+ tcg_temp_free_i32(tdf);
+ tcg_temp_free_i32(twd);
+ tcg_temp_free_i32(tws);
+ tcg_temp_free_i32(timm);
+}
+
static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t opcode = ctx->opcode;
@@ -17404,6 +17477,10 @@ static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
case OPC_MSA_I8_02:
gen_msa_i8(env, ctx);
break;
+ case OPC_MSA_I5_06:
+ case OPC_MSA_I5_07:
+ gen_msa_i5(env, ctx);
+ break;
default:
MIPS_INVAL("MSA instruction");
generate_exception(ctx, EXCP_RI);