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authorFredrik Noring <noring@nocrew.org>2018-10-21 17:39:17 +0200
committerAleksandar Markovic <amarkovic@wavecomp.com>2018-10-24 15:20:31 +0200
commit5601e6217d90ed322b4b9a6d68e8db607db91842 (patch)
tree66ea3c4b5e66f38f13e884f59a98977bd0cf5a68 /target
parentbe9c42c90d162100a63111ddeb8bfe50be897873 (diff)
target/mips: Support R5900 MOVN, MOVZ and PREF instructions from MIPS IV
The R5900 is taken to be MIPS III with certain modifications. From MIPS IV it implements the instructions MOVN, MOVZ and PREF. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Fredrik Noring <noring@nocrew.org> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Diffstat (limited to 'target')
-rw-r--r--target/mips/translate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index f2aeaf4b6e..551928dd4f 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -23552,7 +23552,7 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
case OPC_MOVN: /* Conditional move */
case OPC_MOVZ:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 |
- INSN_LOONGSON2E | INSN_LOONGSON2F);
+ INSN_LOONGSON2E | INSN_LOONGSON2F | INSN_R5900);
gen_cond_move(ctx, op1, rd, rs, rt);
break;
case OPC_MFHI: /* Move from HI/LO */
@@ -26388,7 +26388,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
break;
case OPC_PREF:
check_insn_opc_removed(ctx, ISA_MIPS32R6);
- check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
+ check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 |
+ INSN_R5900);
/* Treat as NOP. */
break;