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41 lines
937 B
C
41 lines
937 B
C
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/* bug #170 - Wrong implicit conversion of integers */
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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int main(void)
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{
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uint8_t c = 2;
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uint32_t u = 2;
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int16_t a = -2;
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int32_t l = -2;
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/* Generated code should use tosmulax but uses tosumulax */
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int16_t r = c * a;
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/* Generated code should use tosmuleax but uses tosumuleax */
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int32_t lr = u * l;
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int32_t n = -95;
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uint16_t d = 3;
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int16_t r1 = n / d; // produces 21813 instead of -31
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int16_t r2 = n / (int32_t) d; // workaround
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printf("r: %d (-4)\n", r);
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#ifdef REFERENCE
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printf("lr: %d (-4)\n", lr);
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#else
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printf("lr: %ld (-4)\n", lr);
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#endif
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printf("r1: %d (-31)\n", r1);
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printf("r2: %d (-31)\n", r2);
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if (r != -4) { return EXIT_FAILURE; }
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if (lr != -4) { return EXIT_FAILURE; }
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if (r1 != -31) { return EXIT_FAILURE; }
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if (r2 != -31) { return EXIT_FAILURE; }
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return EXIT_SUCCESS;
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}
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