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X86: Fix the computation of the bottom part of rotate right with carry.
author
Gabe Black
<gblack@eecs.umich.edu>
Wed, 5 Aug 2009 10:01:07 +0000
(
03:01
-0700)
committer
Gabe Black
<gblack@eecs.umich.edu>
Wed, 5 Aug 2009 10:01:07 +0000
(
03:01
-0700)
src/arch/x86/isa/microops/regop.isa
patch
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diff --git
a/src/arch/x86/isa/microops/regop.isa
b/src/arch/x86/isa/microops/regop.isa
index 1aa7c510b3920fb9a7ae7f4f75158f6871db87f9..e3ad164ebc0b194595525b5e020a9bfa1735e64c 100644
(file)
--- a/
src/arch/x86/isa/microops/regop.isa
+++ b/
src/arch/x86/isa/microops/regop.isa
@@
-768,7
+768,7
@@
let {{
uint64_t top = flags.cf << (dataSize * 8 - shiftAmt);
if(shiftAmt > 1)
top |= psrc1 << (dataSize * 8 - shiftAmt + 1);
- uint64_t bottom = bits(psrc1, dataSize * 8, shiftAmt);
+ uint64_t bottom = bits(psrc1, dataSize * 8
- 1
, shiftAmt);
DestReg = merge(DestReg, top | bottom, dataSize);
}
else