mirror of https://github.com/cc65/cc65.git
54 lines
935 B
C
54 lines
935 B
C
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// optimizer bug that occured after PR #2262, fixed by PR #2295
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#include <stdio.h>
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unsigned char n;
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unsigned long fp1;
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int failures = 0;
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void test1(void)
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{
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asm("lda _n");
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asm("jeq %g", L0004);
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asm("lda #$3F");
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asm("sta sreg+1");
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asm("lda #$C0");
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asm("sta sreg");
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asm("lda #$00");
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asm("ldx #$00");
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asm("jmp %g", L0005);
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L0004:
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asm("lda #$3F");
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asm("sta sreg+1");
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asm("lda #$00");
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asm("sta sreg");
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asm("lda #$00");
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asm("ldx #$00");
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L0005:
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asm("sta _fp1");
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asm("stx _fp1+1");
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asm("ldy sreg");
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asm("sty _fp1+2");
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asm("ldy sreg+1");
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asm("sty _fp1+3");
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}
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int main(void)
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{
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n = 0;
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test1();
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printf("fp1:%08lx\n", fp1);
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if (fp1 != 0x3f000000) failures++;
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n = 0xff;
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test1();
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printf("fp1:%08lx\n", fp1);
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if (fp1 != 0x3fc00000) failures++;
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printf("failures:%d\n", failures);
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return failures;
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}
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