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authorFredrik Noring <noring@nocrew.org>2018-12-27 20:29:14 +0100
committerAleksandar Markovic <amarkovic@wavecomp.com>2019-01-03 17:52:52 +0100
commita95c4c26f1dc233987350e7cb1cf62d46ade5ce5 (patch)
treef6018f44ea5f413adc19bea9542f3785e50a56a1 /target/mips
parent3b948f053fc588154d95228da8a6561c61c66104 (diff)
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target/mips: Support R5900 three-operand MADD1 and MADDU1 instructions
The three-operand MADD and MADDU are specific to R5900 cores. Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Fredrik Noring <noring@nocrew.org>
Diffstat (limited to 'target/mips')
-rw-r--r--target/mips/translate.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 0a49926..2636e8c 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -5045,7 +5045,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc,
*
* and
*
- * MADD[U] rd, rs, rt
+ * MADD[U][1] rd, rs, rt
*
* such that
*
@@ -5107,6 +5107,9 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
tcg_temp_free_i32(t3);
}
break;
+ case MMI_OPC_MADD1:
+ acc = 1;
+ /* Fall through */
case MMI_OPC_MADD:
{
TCGv_i64 t2 = tcg_temp_new_i64();
@@ -5126,6 +5129,9 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
tcg_temp_free_i64(t2);
}
break;
+ case MMI_OPC_MADDU1:
+ acc = 1;
+ /* Fall through */
case MMI_OPC_MADDU:
{
TCGv_i64 t2 = tcg_temp_new_i64();
@@ -27370,6 +27376,8 @@ static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
case MMI_OPC_MULTU1:
case MMI_OPC_MADD:
case MMI_OPC_MADDU:
+ case MMI_OPC_MADD1:
+ case MMI_OPC_MADDU1:
gen_mul_txx9(ctx, opc, rd, rs, rt);
break;
case MMI_OPC_DIV1:
@@ -27385,8 +27393,6 @@ static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
gen_HILO1_tx79(ctx, opc, rd);
break;
case MMI_OPC_PLZCW: /* TODO: MMI_OPC_PLZCW */
- case MMI_OPC_MADD1: /* TODO: MMI_OPC_MADD1 */
- case MMI_OPC_MADDU1: /* TODO: MMI_OPC_MADDU1 */
case MMI_OPC_PMFHL: /* TODO: MMI_OPC_PMFHL */
case MMI_OPC_PMTHL: /* TODO: MMI_OPC_PMTHL */
case MMI_OPC_PSLLH: /* TODO: MMI_OPC_PSLLH */