changeset 5a9fd91b66a3 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=5a9fd91b66a3
description:
X86: Sign extend the immediate of wripi like the register version.
diffstat:
1 file changed, 9 insertions(+), 5 deletions(-)
src/arch/x86/isa/microops/regop.isa | 14 +++++++++-----
diffs (38 lines):
diff -r d9c23fff4f13 -r 5a9fd91b66a3 src/arch/x86/isa/microops/regop.isa
--- a/src/arch/x86/isa/microops/regop.isa Wed Sep 16 19:28:57 2009 -0700
+++ b/src/arch/x86/isa/microops/regop.isa Wed Sep 16 19:29:51 2009 -0700
@@ -324,11 +324,12 @@
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 @@
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
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