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authorGabe Black <gblack@eecs.umich.edu>2007-09-06 16:27:28 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-09-06 16:27:28 -0700
commite4c01713562f51847537c5724bc629ce4bdcf3bc (patch)
treee2e30437879036e4fa10e2720112f12cefcfd310 /src/arch/x86/isa_traits.hh
parent7f079149f147107070f518fc0a86c45c6c62b2a5 (diff)
downloadgem5-e4c01713562f51847537c5724bc629ce4bdcf3bc.tar.xz
X86: Rework the multiplication microops so that they work like they would in the patent.
--HG-- extra : convert_revision : 6fcf5dee440288d8bf92f6c5c2f97ef019975536
Diffstat (limited to 'src/arch/x86/isa_traits.hh')
-rw-r--r--src/arch/x86/isa_traits.hh5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/arch/x86/isa_traits.hh b/src/arch/x86/isa_traits.hh
index 466422ced..602c99390 100644
--- a/src/arch/x86/isa_traits.hh
+++ b/src/arch/x86/isa_traits.hh
@@ -81,8 +81,9 @@ namespace X86ISA
// These enumerate all the registers for dependence tracking.
enum DependenceTags {
- //There are 16 microcode registers at the moment
- FP_Base_DepTag = 1 << 7,
+ //There are 16 microcode registers at the moment. This is an
+ //unusually large constant to make sure there isn't overflow.
+ FP_Base_DepTag = 128,
Ctrl_Base_DepTag =
FP_Base_DepTag +
//mmx/x87 registers