Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr45397.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 "-O2 -fdump-tree-phiopt -fdump-tree-evrp" } */ int foo_add (const unsigned char *tmp, int i, int val) { return (unsigned char)(((tmp[i] + val)>0xFF)?0xFF:(((tmp[i] + val)<0)?0:(tmp[i] + val))); } int foo_sub (const unsigned char *tmp, int i, int val) { return (unsigned char)(((tmp[i] - val)>0xFF)?0xFF:(((tmp[i] - val)<0)?0:(tmp[i] - val))); } int foo_mul (const unsigned char *tmp, int i, int val) { return (unsigned char)(((tmp[i] * val)>0xFF)?0xFF:(((tmp[i] * val)<0)?0:(tmp[i] * val))); } /* All cases should end up using min/max for the saturated operations and have no control flow. */ /* EVRP leaves copies in the IL which confuses phiopt1 so we have to rely on phiopt2 instead. */ /* { dg-final { scan-tree-dump-not " & 255;" "evrp" } } */ /* { dg-final { scan-tree-dump-times "MAX_EXPR" 3 "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "MIN_EXPR" 3 "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-not "if " "phiopt1" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "MAX_EXPR" 3 "phiopt2" } } */ /* { dg-final { scan-tree-dump-times "MIN_EXPR" 3 "phiopt2" } } */ /* { dg-final { scan-tree-dump-not "if " "phiopt2" } } */