Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/optimize-bswapsi-3.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* { dg-do compile } */ /* { dg-require-effective-target bswap } */ /* { dg-require-effective-target stdint_types } */ /* { dg-options "-O2 -fdump-tree-bswap" } */ /* { dg-additional-options "-march=z900" { target s390-*-* } } */ typedef int SItype __attribute__ ((mode (SI))); typedef int DItype __attribute__ ((mode (DI))); /* This variant comes from optimize-bswapsi-1.c swap32_d. It detects a missing cast of MARKER_BYTE_UNKNOWN to uint64_t for the CASE_CONVERT case for host architecture where a left shift with too big an operand gives zero. */ SItype swap32 (SItype in) { return (((in >> 0) & 0xFF) << 24) | (((in >> 8) & 0xFF) << 16) | (((((DItype) in) & 0xFF00FF0000llu) >> 16) << 8) | (((in >> 24) & 0xFF) << 0); } /* { dg-final { scan-tree-dump-not "32 bit bswap implementation found at" "bswap" } } */