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optimization - don't cmp #0

This commit is contained in:
Kelvin Sherlock 2019-08-10 17:05:48 -04:00
parent 46d711c4ba
commit 0ec7effda9
1 changed files with 6 additions and 2 deletions
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8
string_compiler.py
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@ -77,7 +77,9 @@ def generate_asm(asm, d, level):
dd = d[k]
l = asm.reserve_label()
if flag_i: mask = mask_char(asm, short_m, mask, or_mask(k))
asm.emit("cmp #${:04x}\t; '{}'".format(str_to_int(k), str_to_print(k)), 3)
v = str_to_int(k)
if v != 0:
asm.emit("cmp #${:04x}\t; '{}'".format(v, str_to_print(k)), 3)
asm.bne(l)
generate_asm(asm, dd, level+1)
asm.emit_label(l)
@ -92,7 +94,9 @@ def generate_asm(asm, d, level):
dd = d[k]
l = asm.reserve_label()
if flag_i: mask = mask_char(asm, short_m, mask, or_mask(k))
asm.emit("cmp #${:02x}\t; '{}'".format(str_to_int(k), str_to_print(k)), 2)
v = str_to_int(k)
if v != 0:
asm.emit("cmp #${:02x}\t; '{}'".format(v, str_to_print(k)), 2)
asm.bne(l)
generate_asm(asm, dd, level+1)
asm.emit_label(l)