1 /* Testing save/restore of floating point caller-save registers, on ia64
2 this resulted in bad code. Not all targets will use caller-save regs. */
5 /* { dg-options "-O2" } */
6 /* { dg-options "-O2 -minline-float-divide-max-throughput" { target ia64-*-* } } */
8 /* Testing save/restore of floating point caller-save registers on ia64. */
10 extern void abort (void);
12 double foo(double a, double b, double c)
19 double f1, f2, f3, f4, f5, f6, f7, f8, f9,f10;
20 double f11,f12,f13,f14,f15,f16,f17,f18,f19,f20;
21 double f21,f22,f23,f24,f25,f26,f27,f28,f29,f30;
25 f1 = 0.1; f2 = 0.2; f3 = 0.3; f4 = 0.4; f5 = 0.5;
26 f6 = 0.6; f7 = 0.7; f8 = 0.8; f9 = 0.9; f10 = 1.0;
27 f11 = 1.1; f12 = 1.2; f13 = 1.3; f14 = 1.4; f15 = 1.5;
28 f16 = 1.6; f17 = 1.7; f18 = 1.8; f19 = 1.9; f20 = 2.0;
29 f21 = 2.1; f22 = 2.2; f23 = 2.3; f24 = 2.4; f25 = 2.5;
30 f26 = 2.6; f27 = 2.7; f28 = 2.8; f29 = 2.9; f30 = 3.0;
32 i = (int) foo(1.0,1.0,1.0);
43 f10 = f11 / f12 * f30;
44 f11 = f12 / f13 * f30;
45 f12 = f13 / f14 * f25;
46 f13 = f14 / f15 * f30;
47 f14 = f15 / f16 * f30;
48 f15 = f16 / f17 * f30;
49 f16 = f17 / f18 * f30;
50 f17 = f18 / f19 * f30;
51 f18 = f19 / f20 * f30;
52 f19 = f20 / f21 * f30;
53 f20 = f21 / f22 * f20;
54 f21 = f22 / f23 * f30;
55 f22 = f23 / f24 * f30;
56 f23 = f24 / f25 * f30;
57 f24 = f25 / f26 * f30;
58 f25 = f26 / f27 * f30;
59 f26 = f27 / f28 * f30;
60 f27 = f28 / f29 * f30;
61 f28 = f29 / f30 * f30;
67 x = (f1+f2+f3+f4+f5+f6+f7+f8+f9+f10) *
68 (f11+f12+f13+f14+f15+f16+f17+f18+f19+f20) *
69 (f21+f22+f23+f24+f25+f26+f27+f28+f29+f30);
71 /* Exact value is not needed, on IA64 it is massively off. */
72 if (x < 19503.0 || x > 19504.0) abort();