/* { dg-do run { target aarch64*-*-* } } */ /* { dg-options "-O2 --save-temps -fno-inline" } */ /* { dg-require-effective-target aarch64_big_endian } */ extern void abort (void); typedef struct bitfield { unsigned short eight: 8; unsigned short four: 4; unsigned short five: 5; unsigned short seven: 7; unsigned int sixteen: 16; } bitfield; bitfield bfi1 (bitfield a) { /* { dg-final { scan-assembler "bfi\tx\[0-9\]+, x\[0-9\]+, 56, 8" } } */ a.eight = 3; return a; } bitfield bfi2 (bitfield a) { /* { dg-final { scan-assembler "bfi\tx\[0-9\]+, x\[0-9\]+, 43, 5" } } */ a.five = 7; return a; } bitfield movk (bitfield a) { /* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0x1d6b, lsl 16" } } */ a.sixteen = 7531; return a; } bitfield set1 (bitfield a) { /* { dg-final { scan-assembler "orr\tx\[0-9\]+, x\[0-9\]+, 272678883688448" } } */ a.five = 0x1f; return a; } bitfield set0 (bitfield a) { /* { dg-final { scan-assembler "and\tx\[0-9\]+, x\[0-9\]+, -272678883688449" } } */ a.five = 0; return a; } int main (int argc, char** argv) { static bitfield a; bitfield b = bfi1 (a); bitfield c = bfi2 (b); bitfield d = movk (c); if (d.eight != 3) abort (); if (d.five != 7) abort (); if (d.sixteen != 7531) abort (); d = set1 (d); if (d.five != 0x1f) abort (); d = set0 (d); if (d.five != 0) abort (); return 0; } /* { dg-final { cleanup-saved-temps } } */