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[Qemu-devel] [PULL v2 13/44] target/mips: Support R5900 three-operand MA
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v2 13/44] target/mips: Support R5900 three-operand MADD1 and MADDU1 instructions |
Date: |
Mon, 31 Dec 2018 15:56:09 +0100 |
From: Fredrik Noring <address@hidden>
The three-operand MADD and MADDU are specific to R5900 cores.
Reviewed-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Fredrik Noring <address@hidden>
---
target/mips/translate.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 6c2d6fd..c4fed8d 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();
@@ -27368,6 +27374,8 @@ 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:
@@ -27383,8 +27391,6 @@ 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 */
--
2.7.4
- [Qemu-devel] [PULL v2 00/44] MIPS pull request for December 2018 - v2, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 01/44] MAINTAINERS: target/mips: Add MIPS files under default-configs directory, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 07/44] target/mips: MXU: Add generic naming for optn2 constants, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 03/44] MAINTAINERS: target/mips: Reorder items alphabetically, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 14/44] disas: nanoMIPS: Fix types and format strings, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 12/44] target/mips: Support R5900 three-operand MADD and MADDU instructions, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 05/44] atomics: Set ATOMIC_REG_SIZE=8 for MIPS n32, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 06/44] target/mips: MXU: Add missing opcodes/decoding for LX* instructions, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 10/44] target/mips: MXU: Add handlers for max/min instructions, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 13/44] target/mips: Support R5900 three-operand MADD1 and MADDU1 instructions,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v2 02/44] MAINTAINERS: target/mips: Add filter for mips in email subjects, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 11/44] target/mips: MXU: Add handler for an align instruction, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 08/44] target/mips: MXU: Improve the comment containing MXU overview, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 04/44] MAINTAINERS: Add Aleksandar Rikalo as a reviewer for MIPS content, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 15/44] disas: nanoMIPS: Fix preamble text in nanomips.* files, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 16/44] disas: nanoMIPS: Remove functions that are not used, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 26/44] disas: nanoMIPS: Comment the decoder of 'gpr3' gpr encoding type, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 27/44] disas: nanoMIPS: Rename the decoder of 'gpr3.src.store' gpr encoding type, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 09/44] target/mips: MXU: Add handlers for logic instructions, Aleksandar Markovic, 2018/12/31
- [Qemu-devel] [PULL v2 28/44] disas: nanoMIPS: Comment the decoder of 'gpr3.src.store' gpr encoding type, Aleksandar Markovic, 2018/12/31