Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.target/i386/avx512f-pr95060.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.target/i386/avx512f-pr95060.c Mon May 25 07:50:57 2020 +0900 @@ -0,0 +1,22 @@ +/* PR tree-optimization/95060 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -ffast-math -mavx512f" } */ +/* { dg-final { scan-assembler "\tvfnmsub" } } */ +/* { dg-final { scan-assembler-not "\tvfmadd" } } */ + +#define N 32 +float r[N], a[N], b[N], c[N]; + +void +foo (void) +{ + for (int i = 0; i < N; i++) + r[i] = -(a[i] * b[i]) - c[i]; +} + +void +bar (void) +{ + for (int i = 0; i < N; i++) + r[i] = -(a[i] * b[i] + c[i]); +}