Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr59597.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-Ofast -fdump-tree-vrp1-details" } */ typedef unsigned short u16; typedef unsigned char u8; typedef unsigned int u32; __extension__ typedef __INT32_TYPE__ i32; long int random(int); #define NNN 10 u32 f[NNN], t[NNN]; static u16 Calc_crc8 (u8 data, u16 crc) { u8 i=0,x16=0,carry=0; for (i = 0; i < 8; i++) { x16 = (u8)((data & 1) ^ ((u8)crc & 1)); data >>= 1; if (x16 == 1) { crc ^= 0x4002; carry = 1; } else carry = 0; crc >>= 1; if (carry) crc |= 0x8000; else crc &= 0x7fff; } return crc; } int main (int argc, char argv[]) { int i; i32 j; u16 crc; for (j = 0; j < 10000000; j++) { for (i = 0; i < NNN; i++) { f[i] = random(i); t[i] = random(NNN - i - 1); } for (i=0; i<NNN; i++) { crc=Calc_crc8(f[i],(u16)argc); crc=Calc_crc8(t[i],crc); } } return crc; } /* { dg-final { scan-tree-dump-times "Registering jump thread" 3 "vrp1" } } */ /* { dg-final { scan-tree-dump-not "joiner" "vrp1" } } */ /* { dg-final { scan-tree-dump-times "Threaded jump" 3 "vrp1" } } */