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https://github.com/RPCS3/llvm-mirror.git
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70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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#include <stdio.h>
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typedef unsigned int uint32_t;
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typedef int int32_t;
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const char *boolstring(int val) {
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return val ? "true" : "false";
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}
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int i32_eq(int32_t a, int32_t b) {
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return (a == b);
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}
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int i32_neq(int32_t a, int32_t b) {
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return (a != b);
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}
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int32_t i32_eq_select(int32_t a, int32_t b, int32_t c, int32_t d) {
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return ((a == b) ? c : d);
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}
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int32_t i32_neq_select(int32_t a, int32_t b, int32_t c, int32_t d) {
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return ((a != b) ? c : d);
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}
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struct pred_s {
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const char *name;
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int (*predfunc)(int32_t, int32_t);
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int (*selfunc)(int32_t, int32_t, int32_t, int32_t);
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};
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struct pred_s preds[] = {
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{ "eq", i32_eq, i32_eq_select },
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{ "neq", i32_neq, i32_neq_select }
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};
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int main(void) {
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int i;
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int32_t a = 1234567890;
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int32_t b = 345678901;
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int32_t c = 1234500000;
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int32_t d = 10001;
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int32_t e = 10000;
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printf("a = %12d (0x%08x)\n", a, a);
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printf("b = %12d (0x%08x)\n", b, b);
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printf("c = %12d (0x%08x)\n", c, c);
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printf("d = %12d (0x%08x)\n", d, d);
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printf("e = %12d (0x%08x)\n", e, e);
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printf("----------------------------------------\n");
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for (i = 0; i < sizeof(preds)/sizeof(preds[0]); ++i) {
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printf("a %s a = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(a, a)));
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printf("a %s a = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(a, a)));
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printf("a %s b = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(a, b)));
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printf("a %s c = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(a, c)));
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printf("d %s e = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(d, e)));
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printf("e %s e = %s\n", preds[i].name, boolstring((*preds[i].predfunc)(e, e)));
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printf("a %s a ? c : d = %d\n", preds[i].name, (*preds[i].selfunc)(a, a, c, d));
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printf("a %s a ? c : d == c (%s)\n", preds[i].name, boolstring((*preds[i].selfunc)(a, a, c, d) == c));
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printf("a %s b ? c : d = %d\n", preds[i].name, (*preds[i].selfunc)(a, b, c, d));
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printf("a %s b ? c : d == d (%s)\n", preds[i].name, boolstring((*preds[i].selfunc)(a, b, c, d) == d));
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printf("----------------------------------------\n");
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}
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return 0;
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}
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