summaryrefslogtreecommitdiff
path: root/src/arch
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/isa/insts/general_purpose/data_conversion/endian_conversion.py20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/data_conversion/endian_conversion.py b/src/arch/x86/isa/insts/general_purpose/data_conversion/endian_conversion.py
index ac2343462..f6aac1761 100644
--- a/src/arch/x86/isa/insts/general_purpose/data_conversion/endian_conversion.py
+++ b/src/arch/x86/isa/insts/general_purpose/data_conversion/endian_conversion.py
@@ -64,15 +64,15 @@ def macroop BSWAP_D_R
def macroop BSWAP_Q_R
{
roli reg, reg, 8, dataSize=2
- roli reg, reg, 16, dataSize=4
- roli reg, reg, 8, dataSize=2
- roli reg, reg, 32, dataSize=8
- roli reg, reg, 8, dataSize=2
- roli reg, reg, 16, dataSize=4
- roli reg, reg, 8, dataSize=2
+ roli t1, reg, 16, dataSize=4
+ # Top 4 bytes of t1 are now zero
+ roli t1, t1, 8, dataSize=2
+ roli t1, t1, 32, dataSize=8
+ srli t2, reg, 32, dataSize=8
+ roli t2, t2, 8, dataSize=2
+ roli t2, t2, 16, dataSize=4
+ # Top 4 bytes of t2 are now zero
+ roli t2, t2, 8, dataSize=2
+ or reg, t1, t2, dataSize=8
};
'''
-#let {{
-# class BSWAP(Inst):
-# "GenFault ${new UnimpInstFault}"
-#}};