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| author | Michael Matz <matz@suse.de> | 2016-05-11 18:54:24 +0200 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2016-05-11 18:54:24 +0200 |
| commit | bd93dc6923a9fe202401666a1f2749fbdced9971 (patch) | |
| tree | 0dbfb39ff75b6082d4e8bfa287b72ff1e170c678 /i386-asm.c | |
| parent | 9645b62a65986738e6b70d748890d73daf40508b (diff) | |
| download | tinycc-bd93dc6923a9fe202401666a1f2749fbdced9971.tar.gz tinycc-bd93dc6923a9fe202401666a1f2749fbdced9971.tar.bz2 | |
x86: Improve cmov handling
cmov can accept multi sizes, but is also a OPC_TEST opcode,
deal with this.
Diffstat (limited to 'i386-asm.c')
| -rw-r--r-- | i386-asm.c | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -659,6 +659,11 @@ ST_FUNC void asm_opcode(TCCState *s1, int opcode) } else if (pa->instr_type & OPC_TEST) { if (!(opcode >= pa->sym && opcode < pa->sym + NB_TEST_OPCODES)) continue; + /* cmovxx is a test opcode but accepts multiple sizes. + TCC doesn't accept the suffixed mnemonic, instead we + simply force size autodetection always. */ + if (pa->instr_type & OPC_WLX) + s = NBWLX - 1; } else if (pa->instr_type & OPC_B) { #ifdef TCC_TARGET_X86_64 /* Some instructions don't have the full size but only |