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Use limm to set up immediate value for subtract instruction.

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--HG--
extra : convert_revision : f94e391e36a47c2f5222f30d7e28f48f7875db58
This commit is contained in:
Gabe Black 2007-07-17 16:50:13 -07:00
parent d77d4c04b7
commit 62ffc71fab
1 changed files with 6 additions and 3 deletions
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9
src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
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@ -56,21 +56,24 @@
microcode = ''' microcode = '''
def macroop SUB_R_I def macroop SUB_R_I
{ {
subi reg, reg, imm limm t1, imm
sub reg, reg, t1
}; };
def macroop SUB_M_I def macroop SUB_M_I
{ {
limm t2, imm
ld t1, ds, [scale, index, base], disp ld t1, ds, [scale, index, base], disp
subi t1, t1, imm sub t1, t1, t2
st t1, ds, [scale, index, base], disp st t1, ds, [scale, index, base], disp
}; };
def macroop SUB_P_I def macroop SUB_P_I
{ {
rdip t7 rdip t7
limm t2, imm
ld t1, ds, [scale, index, base], disp ld t1, ds, [scale, index, base], disp
subi t1, t1, imm sub t1, t1, t2
st t1, ds, [scale, index, base], disp st t1, ds, [scale, index, base], disp
}; };
''' '''