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Adapt intel to be able to correctly choose compressed instruction encodings: create a register class to identify the lower 8 registers, omit unnecessary REX prefixes, and fix the tests

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Angus Holder
2017-09-22 00:49:21 +01:00
committed by Jakob Stoklund Olesen
parent 3b66c0be40
commit b003605132
5 changed files with 136 additions and 109 deletions
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lib/cretonne/meta/isa/intel/registers.py
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@@ -39,7 +39,9 @@ FloatRegs = RegBank(
units=16, prefix='xmm')
GPR = RegClass(IntRegs)
GPR8 = GPR[0:8]
ABCD = GPR[0:4]
FPR = RegClass(FloatRegs)
FPR8 = FPR[0:8]
RegClass.extract_names(globals())