/* Check that the bswap32 pattern is generated as swap.b and swap.w instructions. */ /* { dg-do compile } */ /* { dg-options "-O2" } */ /* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */ /* { dg-final { scan-assembler-times "swap.w" 7 } } */ /* { dg-final { scan-assembler-times "swap.b" 16 } } */ /* { dg-final { scan-assembler-times "extu.w" 2 } } */ /* { dg-final { scan-assembler-times "mov" 1 } } */ /* { dg-final { scan-assembler-not "{shll8|shlr8|shld|shad}" } } */ int test_func_00 (int a) { /* 1x swap.w 2x swap.b */ return __builtin_bswap32 (a); } unsigned int test_func_01 (unsigned int a) { /* 1x swap.w 2x swap.b */ return __builtin_bswap32 (a); } int test_func_02 (int a) { /* 1x swap.w 2x swap.b */ return (((a >> 0) & 0xFF) << 24) | (((a >> 8) & 0xFF) << 16) | (((a >> 16) & 0xFF) << 8) | (((a >> 24) & 0xFF) << 0); } unsigned int test_func_03 (unsigned int a) { /* 1x swap.w 2x swap.b */ return (((a >> 0) & 0xFF) << 24) | (((a >> 8) & 0xFF) << 16) | (((a >> 16) & 0xFF) << 8) | (((a >> 24) & 0xFF) << 0); } int test_func_04 (int a) { /* 1x swap.b 1x extu.w */ return __builtin_bswap32 (a) >> 16; } unsigned short test_func_05 (unsigned short a) { /* 1x swap.b 1x extu.w */ return __builtin_bswap32 (a) >> 16; } long long test_func_06 (long long a) { /* 2x swap.w 4x swap.b */ return __builtin_bswap64 (a); } long long test_func_07 (long long a) { /* 1x swap.w 2x swap.b 1x mov #0,Rn */ return __builtin_bswap64 (a) >> 32; }