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X86: Sign extend the immediate of wripi like the register version.

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Gabe Black
2009-09-16 19:29:51 -07:00
parent 7a0ef6c36f
commit c876a781a5
1 changed files with 9 additions and 5 deletions
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14
src/arch/x86/isa/microops/regop.isa
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@@ -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