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Fixed several dangling pointer bugs in 65C0 2optimizations

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git-svn-id: svn://svn.cc65.org/cc65/trunk@587 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2000-12-24 14:37:18 +00:00
parent 45de0a49ec
commit 51e5a7cf84
1 changed files with 42 additions and 44 deletions
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12
src/cc65/optimize.c
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@@ -3635,14 +3635,13 @@ static void OptBitOps (void)
/* Replace by trb */ /* Replace by trb */
ReplaceLine (L, "\tlda\t#$%02X", (~Val) & 0xFF); ReplaceLine (L, "\tlda\t#$%02X", (~Val) & 0xFF);
ReplaceLine (L2[0], "\ttrb\t%s", L2[1]->Line+5); L = ReplaceLine (L2[0], "\ttrb\t%s", L2[1]->Line+5);
FreeLine (L2[1]); FreeLine (L2[1]);
L = L2[0];
} else { } else {
/* Just reorder */ /* Just reorder */
L = ReplaceLine (L, "\tlda\t#$%02X", Val); ReplaceLine (L, "\tlda\t#$%02X", Val);
ReplaceLine (L2[0], "\tand\t%s", L2[1]->Line+5); ReplaceLine (L2[0], "\tand\t%s", L2[1]->Line+5);
L = L2[1]; L = L2[1];
@@ -3660,7 +3659,7 @@ static void OptBitOps (void)
/* ORA with 0xFF, replace by a store of $FF */ /* ORA with 0xFF, replace by a store of $FF */
FreeLine (L); FreeLine (L);
ReplaceLine (L2[0], "\tlda\t#$FF"); L = ReplaceLine (L2[0], "\tlda\t#$FF");
} else if (CPU == CPU_65C02 && } else if (CPU == CPU_65C02 &&
!IsXAddrMode (L) && !IsXAddrMode (L) &&
@@ -3669,14 +3668,13 @@ static void OptBitOps (void)
/* Replace by trb */ /* Replace by trb */
ReplaceLine (L, "\tlda\t#$%02X", Val); ReplaceLine (L, "\tlda\t#$%02X", Val);
ReplaceLine (L2[0], "\ttsb\t%s", L2[1]->Line+5); L = ReplaceLine (L2[0], "\ttsb\t%s", L2[1]->Line+5);
FreeLine (L2[1]); FreeLine (L2[1]);
L = L2[0];
} else { } else {
/* Just reorder */ /* Just reorder */
L = ReplaceLine (L, "\tlda\t#$%02X", Val); ReplaceLine (L, "\tlda\t#$%02X", Val);
ReplaceLine (L2[0], "\tora\t%s", L2[1]->Line+5); ReplaceLine (L2[0], "\tora\t%s", L2[1]->Line+5);
L = L2[1]; L = L2[1];