Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.target/sh/pr54680.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Verify that the fsca input value is not converted to float and then back to int. Notice that we can't count just "lds" insns because mode switches use "lds.l". */ /* { dg-do compile { target { has_fsca } } } */ /* { dg-options "-O2 -mfsca -funsafe-math-optimizations -fno-ipa-icf" } */ /* { dg-final { scan-assembler-times "fsca" 7 } } */ /* { dg-final { scan-assembler-times "shad" 1 } } */ /* { dg-final { scan-assembler-times "lds\tr\[0-9\],fpul" 6 } } */ /* { dg-final { scan-assembler-times "fmul" 2 } } */ /* { dg-final { scan-assembler-times "ftrc" 1 } } */ #include <math.h> static const float pi = 3.14159265359f; float test00 (int x) { /* 1x shad, 1x lds, 1x fsca */ return sinf ( (x >> 8) * (2*pi) / (1 << 16)); } float test01 (int x) { /* 1x lds, 1x fsca */ return sinf (x * (2*pi) / 65536); } float test02 (int x) { /* 1x lds, 1x fsca */ return sinf (x * (2*pi / 65536)); } float test03 (int x) { /* 1x lds, 1x fsca */ float scale = 2*pi / 65536; return sinf (x * scale); } float test04 (int x) { /* 1x lds, 1x fsca */ return cosf (x / 65536.0f * 2*pi); } float test05 (int x) { /* 1x lds, 1x fsca, 1x fmul */ float scale = 2*pi / 65536; return sinf (x * scale) * cosf (x * scale); } float test_06 (float x) { /* 1x fmul, 1x ftrc, 1x fsca */ return sinf (x); }