| /* { 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; |
| } |
| |
