| /* { 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" } } */ |
