/* { dg-do assemble } */ /* { dg-skip-if "too much code for avr" { "avr-*-*" } } */ /* { dg-skip-if "too much code for pdp11" { "pdp11-*-*" } } */ /* { dg-skip-if "" { m32c-*-* } } */ /* { dg-skip-if "jumps too far for eBPF" { bpf-*-* } } */ /* { dg-timeout-factor 4.0 } */ /* This testcase exposed two branch shortening bugs on powerpc. */ #define C(a,b) \ if (a > b) goto gt; \ if (a < b) goto lt; #define C4(x,b) C((x)[0], b) C((x)[1],b) C((x)[2],b) C((x)[3],b) #define C16(x,y) C4(x, (y)[0]) C4(x, (y)[1]) C4(x, (y)[2]) C4(x, (y)[3]) #define C64(x,y) C16(x,y) C16(x+4,y) C16(x+8,y) C16(x+12,y) #define C256(x,y) C64(x,y) C64(x,y+4) C64(x,y+8) C64(x,y+12) #define C1024(x,y) C256(x,y) C256(x+16,y) C256(x+32,y) C256(x+48,y) #define C4096(x,y) C1024(x,y) C1024(x,y+16) C1024(x,y+32) C1024(x,y+48) unsigned foo(int x[64], int y[64]) { C4096(x,y); return 0x01234567; gt: return 0x12345678; lt: return 0xF0123456; }