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authorGabe Black <gblack@eecs.umich.edu>2007-10-02 22:57:33 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-10-02 22:57:33 -0700
commit3e644b48bbbc3c0c3f3dd6bb158ea7b9c2024424 (patch)
tree358ffe6a7e3ffc1d940f4b0b4a9193278b5ce48f /src/arch/x86/regfile.cc
parenta56c651980921d210f2c48f84ce5d3445fc38475 (diff)
downloadgem5-3e644b48bbbc3c0c3f3dd6bb158ea7b9c2024424.tar.xz
X86: Fix x87 floating point stack register indexing.
--HG-- extra : convert_revision : b515ec20cbfc50b38aa7da6cf4d465acf9054c08
Diffstat (limited to 'src/arch/x86/regfile.cc')
-rw-r--r--src/arch/x86/regfile.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/x86/regfile.cc b/src/arch/x86/regfile.cc
index 889f2f5cd..c27ab08ba 100644
--- a/src/arch/x86/regfile.cc
+++ b/src/arch/x86/regfile.cc
@@ -221,7 +221,7 @@ int X86ISA::flattenIntIndex(ThreadContext * tc, int reg)
int X86ISA::flattenFloatIndex(ThreadContext * tc, int reg)
{
- if (reg > NUM_FLOATREGS) {
+ if (reg >= NUM_FLOATREGS) {
int top = tc->readMiscRegNoEffect(MISCREG_X87_TOP);
reg = FLOATREG_STACK(reg - NUM_FLOATREGS, top);
}