| /* Testing save/restore of floating point caller-save registers, on ia64 |
| this resulted in bad code. Not all targets will use caller-save regs. */ |
| |
| /* { dg-do run } */ |
| /* { dg-options "-O2" } */ |
| /* { dg-options "-O2 -minline-float-divide-max-throughput" { target ia64-*-* } } */ |
| |
| /* Testing save/restore of floating point caller-save registers on ia64. */ |
| |
| extern void abort (void); |
| |
| double foo(double a, double b, double c) |
| { |
| return (a+b+c); |
| } |
| |
| int |
| main () |
| { |
| double f1, f2, f3, f4, f5, f6, f7, f8, f9,f10; |
| double f11,f12,f13,f14,f15,f16,f17,f18,f19,f20; |
| double f21,f22,f23,f24,f25,f26,f27,f28,f29,f30; |
| double x; |
| int i,j,k; |
| |
| f1 = 0.1; f2 = 0.2; f3 = 0.3; f4 = 0.4; f5 = 0.5; |
| f6 = 0.6; f7 = 0.7; f8 = 0.8; f9 = 0.9; f10 = 1.0; |
| f11 = 1.1; f12 = 1.2; f13 = 1.3; f14 = 1.4; f15 = 1.5; |
| f16 = 1.6; f17 = 1.7; f18 = 1.8; f19 = 1.9; f20 = 2.0; |
| f21 = 2.1; f22 = 2.2; f23 = 2.3; f24 = 2.4; f25 = 2.5; |
| f26 = 2.6; f27 = 2.7; f28 = 2.8; f29 = 2.9; f30 = 3.0; |
| |
| i = (int) foo(1.0,1.0,1.0); |
| while (i > 0) { |
| f1 = f2 / f3 * f30; |
| f2 = f3 / f4 * f30; |
| f3 = f4 / f5 * f30; |
| f4 = f5 / f6 * f30; |
| f5 = f6 / f7 * f30; |
| f6 = f7 / f8 * f30; |
| f7 = f8 / f9 * f30; |
| f8 = f9 / f10 * f30; |
| f9 = f10 / f11 * f30; |
| f10 = f11 / f12 * f30; |
| f11 = f12 / f13 * f30; |
| f12 = f13 / f14 * f25; |
| f13 = f14 / f15 * f30; |
| f14 = f15 / f16 * f30; |
| f15 = f16 / f17 * f30; |
| f16 = f17 / f18 * f30; |
| f17 = f18 / f19 * f30; |
| f18 = f19 / f20 * f30; |
| f19 = f20 / f21 * f30; |
| f20 = f21 / f22 * f20; |
| f21 = f22 / f23 * f30; |
| f22 = f23 / f24 * f30; |
| f23 = f24 / f25 * f30; |
| f24 = f25 / f26 * f30; |
| f25 = f26 / f27 * f30; |
| f26 = f27 / f28 * f30; |
| f27 = f28 / f29 * f30; |
| f28 = f29 / f30 * f30; |
| f29 = f30 / f1 * f30; |
| f30 = f1 / f2 * f30; |
| x = foo(f1,f2,f3); |
| i = i - 1; |
| } |
| x = (f1+f2+f3+f4+f5+f6+f7+f8+f9+f10) * |
| (f11+f12+f13+f14+f15+f16+f17+f18+f19+f20) * |
| (f21+f22+f23+f24+f25+f26+f27+f28+f29+f30); |
| |
| /* Exact value is not needed, on IA64 it is massively off. */ |
| if (x < 19503.0 || x > 19504.0) abort(); |
| return 0; |
| } |
