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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-09-16 19:29:51 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-09-16 19:29:51 -0700 |
| commit | c876a781a592c75b38853b2ec4b7d9435f1444cf (patch) | |
| tree | bfb80fe5b2a1672fca3ab5a6b713b7d5262494c5 /src | |
| parent | 7a0ef6c36fa4f188fecfd709436dfa52bb0918d6 (diff) | |
| download | gem5-c876a781a592c75b38853b2ec4b7d9435f1444cf.tar.xz | |
X86: Sign extend the immediate of wripi like the register version.
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index a8d50f17c..fd1ad6925 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -324,11 +324,12 @@ let {{ matcher.sub(src2_name, flag_code), matcher.sub(src2_name, cond_check), matcher.sub(src2_name, else_code)) + imm_name = "%simm8" % match.group("prefix") self.buildCppClasses(name + "i", Name, suffix + "Imm", - matcher.sub("imm8", code), - matcher.sub("imm8", flag_code), - matcher.sub("imm8", cond_check), - matcher.sub("imm8", else_code)) + matcher.sub(imm_name, code), + matcher.sub(imm_name, flag_code), + matcher.sub(imm_name, cond_check), + matcher.sub(imm_name, else_code)) return # If there's something optional to do with flags, generate @@ -353,13 +354,16 @@ let {{ matcher = re.compile("(?<!\w)spsrc2(?!\w)") if matcher.search(allCode): code = "int64_t spsrc2 = signedPick(SrcReg2, 1, dataSize);" + code + matcher = re.compile("(?<!\w)simm8(?!\w)") + if matcher.search(allCode): + code = "int8_t simm8 = imm8;" + code base = "X86ISA::RegOp" # If imm8 shows up in the code, use the immediate templates, if # not, hopefully the register ones will be correct. templates = regTemplates - matcher = re.compile("(?<!\w)imm8(?!\w)") + matcher = re.compile("(?<!\w)s?imm8(?!\w)") if matcher.search(allCode): base += "Imm" templates = immTemplates |