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[PATCH 07/13] target/mips: Convert Rel6 COP1X opcode to decodetree
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From: |
Philippe Mathieu-Daudé |
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Subject: |
[PATCH 07/13] target/mips: Convert Rel6 COP1X opcode to decodetree |
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Date: |
Tue, 8 Dec 2020 21:36:58 +0100 |
COP1x opcode has been removed from the Release 6.
Add a single decodetree entry for it, triggering
Reserved Instruction if ever used.
Remove unreachable check_insn_opc_removed() call.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/mips/isa-mips32r6.decode | 2 ++
target/mips/translate.c | 1 -
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/mips/isa-mips32r6.decode b/target/mips/isa-mips32r6.decode
index 259bac612ab..7b12a1bff25 100644
--- a/target/mips/isa-mips32r6.decode
+++ b/target/mips/isa-mips32r6.decode
@@ -16,4 +16,6 @@
LSA 000000 ..... ..... ..... 000 .. 000101 @lsa
+REMOVED 010011 ----- ----- ----- ----- ------ # COP1X (COP3)
+
REMOVED 011100 ----- ----- ----- ----- ------ # SPECIAL2
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 788b5112a80..81ca1d45063 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -28874,7 +28874,6 @@ static void decode_opc(CPUMIPSState *env, DisasContext
*ctx)
break;
case OPC_CP3:
- check_insn_opc_removed(ctx, ISA_MIPS32R6);
if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
op1 = MASK_CP3(ctx->opcode);
--
2.26.2
- Re: [PATCH 02/13] target/mips: Extract LSA/DLSA translation generators, (continued)
- [PATCH 03/13] target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 04/13] target/mips: Introduce decodetree helpers for Release6 LSA/DLSA opcodes, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 05/13] target/mips: Remove now unreachable LSA/DLSA opcodes code, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 06/13] target/mips: Convert Rel6 Special2 opcode to decodetree, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 07/13] target/mips: Convert Rel6 COP1X opcode to decodetree,
Philippe Mathieu-Daudé <=
- [PATCH 08/13] target/mips: Convert Rel6 CACHE/PREF opcodes to decodetree, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 09/13] target/mips: Convert Rel6 LWL/LWR/SWL/SWR opcodes to decodetree, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 10/13] target/mips: Convert Rel6 LWLE/LWRE/SWLE/SWRE opcodes to decodetree, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 11/13] target/mips: Convert Rel6 LDL/LDR/SDL/SDR opcodes to decodetree, Philippe Mathieu-Daudé, 2020/12/08
- [PATCH 12/13] target/mips: Convert Rel6 LLD/SCD opcodes to decodetree, Philippe Mathieu-Daudé, 2020/12/08