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Diffstat (limited to 'src/arch/x86/isa/insts/data_transfer/stack_operations.py')
-rw-r--r--src/arch/x86/isa/insts/data_transfer/stack_operations.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/arch/x86/isa/insts/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/data_transfer/stack_operations.py
index b7ec0ec66..50b690354 100644
--- a/src/arch/x86/isa/insts/data_transfer/stack_operations.py
+++ b/src/arch/x86/isa/insts/data_transfer/stack_operations.py
@@ -55,15 +55,21 @@
microcode = '''
def macroop POP_R {
+
+ # Make the default data size of pops 64 bits in 64 bit mode
.adjust_env "if(machInst.mode.submode == SixtyFourBitMode && env.dataSize == 4) env.dataSize = 8\;"
- # There needs to be a load here to actually "pop" the data
+
+ ld "env.reg", 2, [0, "NUM_INTREGS", "INTREG_RSP"]
addi "INTREG_RSP", "INTREG_RSP", "env.dataSize"
};
def macroop PUSH_R {
+
+ # Make the default data size of pops 64 bits in 64 bit mode
.adjust_env "if(machInst.mode.submode == SixtyFourBitMode && env.dataSize == 4) env.dataSize = 8\;"
+
subi "INTREG_RSP", "INTREG_RSP", "env.dataSize"
- # There needs to be a store here to actually "push" the data
+ st "env.reg", 2, [0, "NUM_INTREGS", "INTREG_RSP"]
};
'''
#let {{