mirror of https://github.com/cc65/cc65.git
37 lines
895 B
C
37 lines
895 B
C
/*
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!!DESCRIPTION!! Assign an int; then, do an operation that depends directly on that assignment.
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!!ORIGIN!! cc65 regression tests
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!!LICENCE!! Public Domain
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!!AUTHOR!! Greg King
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*/
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#include <stdio.h>
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static unsigned char failures = 0;
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static unsigned int result;
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static const unsigned int buffer = 0xABCD;
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int main(void)
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{
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result = buffer;
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/* Shift doesn't use high byte (X register); previous assignment should be optimized. */
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result <<= 8;
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if (result != 0xCD00) {
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++failures;
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printf("assign-use1: left shift is $%X, not $CD00.\n", result);
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}
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result = buffer;
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/* Shift does use high byte; previous assignment shouldn't be optimized by OptStore5(). */
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result >>= 8;
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if (result != 0x00AB) {
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++failures;
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printf("assign-use1: right shift is $%X, not $00AB.\n", result);
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}
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return failures;
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}
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