Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr66187-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR tree-optimization/66187 */ /* { dg-do run } */ /* { dg-options "-O2 -fwrapv" } */ __attribute__((noinline, noclone)) int f0 (unsigned char x, unsigned char y) { return (x + y) & 0x2ff; } __attribute__((noinline, noclone)) int f1 (unsigned char x, unsigned char y) { return (x - y) & 0x2ff; } __attribute__((noinline, noclone)) int f2 (signed char x, signed char y) { return (x + y) & -4; } __attribute__((noinline, noclone)) int f3 (signed char x, signed char y) { return (x + y) & 0xf8; } __attribute__((noinline, noclone)) int f4 (signed char x, signed char y) { return (x + y) & 0x78; } __attribute__((noinline, noclone)) int f5 (unsigned char x, unsigned char y) { int a = x; int b = y; int c = a + b; return c & 0x2ff; } __attribute__((noinline, noclone)) int f6 (unsigned char x, unsigned char y) { int a = x; int b = y; int c = a - b; return c & 0x2ff; } __attribute__((noinline, noclone)) int f7 (signed char x, signed char y) { int a = x; int b = y; int c = a + b; return c & -4; } __attribute__((noinline, noclone)) int f8 (signed char x, signed char y) { int a = x; int b = y; int c = a + b; return c & 0xf8; } __attribute__((noinline, noclone)) int f9 (signed char x, signed char y) { int a = x; int b = y; int c = a + b; return c & 0x78; } int main () { if (__SCHAR_MAX__ != 127 || sizeof (int) != 4) return 0; if (f0 (0xff, 0xff) != 0xfe || f1 (0, 1) != 0x2ff || f2 (-2, 1) != -4 || f3 (-2, 1) != 0xf8 || f4 (-2, 1) != 0x78 || f5 (0xff, 0xff) != 0xfe || f6 (0, 1) != 0x2ff || f7 (-2, 1) != -4 || f8 (-2, 1) != 0xf8 || f9 (-2, 1) != 0x78) __builtin_abort (); return 0; }