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X86: Make scas compare its operands in the right order.

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Gabe Black
2009-08-06 21:44:41 -07:00
parent 011c1865ad
commit c7b894a06f
1 changed files with 3 additions and 3 deletions
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6
src/arch/x86/isa/insts/general_purpose/string/scan_string.py
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@@ -62,7 +62,7 @@ def macroop SCAS_M {
mov t2, t2, t3, flags=(nCEZF,), dataSize=asz
ld t1, es, [1, t0, rdi]
sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF)
sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF)
add rdi, rdi, t2, dataSize=asz
};
@@ -84,7 +84,7 @@ def macroop SCAS_E_M {
topOfLoop:
ld t1, es, [1, t0, rdi]
sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF)
sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF)
subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
add rdi, rdi, t2, dataSize=asz
@@ -105,7 +105,7 @@ def macroop SCAS_N_M {
topOfLoop:
ld t1, es, [1, t0, rdi]
sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF)
sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF)
subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
add rdi, rdi, t2, dataSize=asz