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| author | Michael Matz <matz@suse.de> | 2016-05-16 05:10:21 +0200 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2016-05-16 05:10:21 +0200 |
| commit | f2a4cb0a0edc95ae74816275e82b4ade71c6f37a (patch) | |
| tree | eaae6cc045f5d4271dd9778cbdb0b222b2c1470e /i386-asm.h | |
| parent | 0f36f60faa05da7e250a4b4eebd4b534e8a2b537 (diff) | |
| download | tinycc-f2a4cb0a0edc95ae74816275e82b4ade71c6f37a.tar.gz tinycc-f2a4cb0a0edc95ae74816275e82b4ade71c6f37a.tar.bz2 | |
x86-asm: Reject some invalid arith imm8 instruction
There were two errors in the arithmetic imm8 instruction. They accept
only REGW, and in case the user write a xxxb opcode that variant
needs to be rejected as well (it's not automatically rejected by REGW
in case the destination is memory).
Diffstat (limited to 'i386-asm.h')
| -rw-r--r-- | i386-asm.h | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -157,7 +157,7 @@ ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWLX, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWLX, OPT_EA | OPT_REG, OPT_REG)) ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWLX, OPT_IM, OPT_EAX)) -ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WLX, OPT_IM8S, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WLX, OPT_IM8S, OPT_EA | OPT_REGW)) ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWLX, OPT_IM, OPT_EA | OPT_REG)) ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWLX, OPT_REG, OPT_EA | OPT_REG)) |