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Fixed a problem with a memcpy optimization (source and target have been

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swapped).


git-svn-id: svn://svn.cc65.org/cc65/trunk@5796 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2012-07-28 12:26:57 +00:00
parent 7ab3ede933
commit 3c9f722fbf
1 changed files with 4 additions and 4 deletions
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8
src/cc65/stdfunc.c
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@ -477,15 +477,15 @@ static void StdFunc_memcpy (FuncDesc* F attribute ((unused)), ExprDesc* Expr)
if (Arg3.Expr.IVal <= 127) { if (Arg3.Expr.IVal <= 127) {
AddCodeLine ("ldy #$%02X", (unsigned char) (Arg3.Expr.IVal - 1)); AddCodeLine ("ldy #$%02X", (unsigned char) (Arg3.Expr.IVal - 1));
g_defcodelabel (Label); g_defcodelabel (Label);
AddCodeLine ("lda (ptr1),y"); AddCodeLine ("lda (sp),y");
AddCodeLine ("sta (sp),y"); AddCodeLine ("sta (ptr1),y");
AddCodeLine ("dey"); AddCodeLine ("dey");
AddCodeLine ("bpl %s", LocalLabelName (Label)); AddCodeLine ("bpl %s", LocalLabelName (Label));
} else { } else {
AddCodeLine ("ldy #$00"); AddCodeLine ("ldy #$00");
g_defcodelabel (Label); g_defcodelabel (Label);
AddCodeLine ("lda (ptr1),y"); AddCodeLine ("lda (sp),y");
AddCodeLine ("sta (sp),y"); AddCodeLine ("sta (ptr1),y");
AddCodeLine ("iny"); AddCodeLine ("iny");
AddCodeLine ("cpy #$%02X", (unsigned char) Arg3.Expr.IVal); AddCodeLine ("cpy #$%02X", (unsigned char) Arg3.Expr.IVal);
AddCodeLine ("bne %s", LocalLabelName (Label)); AddCodeLine ("bne %s", LocalLabelName (Label));