Fangrui Song 4b618b1f5f [X86] .code16: temporarily set Mode32Bit when matching an instruction with the data32 prefix ... PR47632 This allows MC to match `data32 ...` as one instruction instead of two (data32 without insn + insn). The compatibility with GNU as improves: `data32 ljmp` will be matched as ljmpl. `data32 lgdt 4(%eax)` will be matched as `lgdtl` (prefixes: 0x67 0x66, instead of 0x66 0x67). GNU as supports many other `data32 *w` as `*l`. We currently just hard code `data32 callw` and `data32 ljmpw`. Generalizing the suffix replacement is tricky and requires a think about the "bwlq" appending suffix rules in MatchAndEmitATTInstruction. Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D88772		2020-10-06 08:32:03 -07:00
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CMakeLists.txt
LLVMBuild.txt
X86AsmParser.cpp	[X86] .code16: temporarily set Mode32Bit when matching an instruction with the data32 prefix	2020-10-06 08:32:03 -07:00
X86AsmParserCommon.h
X86Operand.h	[X86] Allow lsl/lar to be parsed with a GR16, GR32, or GR64 as source register.	2020-07-15 23:51:37 -07:00