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comparison gcc/testsuite/gcc.dg/vect/vect-nop-move.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* { dg-require-effective-target vect_float } */
2 /* { dg-additional-options "-fdump-rtl-combine-details" } */
3
4 #include "tree-vect.h"
5
6 extern void abort (void);
7
8 #define NOINLINE __attribute__((noinline))
9
10 typedef float float32x4_t __attribute__ ((__vector_size__ (16)));
11 typedef float float32x2_t __attribute__ ((__vector_size__ (8)));
12
13 NOINLINE float
14 foo32x4_be (float32x4_t x)
15 {
16 return x[3];
17 }
18
19 NOINLINE float
20 foo32x4_le (float32x4_t x)
21 {
22 return x[0];
23 }
24
25 NOINLINE float
26 bar (float a)
27 {
28 return a;
29 }
30
31 NOINLINE float
32 foo32x2_be (float32x2_t x)
33 {
34 #ifdef __i386__
35 /* ix86 passes float32x2 vector arguments in mmx registers. We need to
36 emit emms to empty MMS state and reenable x87 stack before float value
37 can be loaded to and passed in x87 floating-point return register. */
38 __builtin_ia32_emms ();
39 #endif
40 return bar (x[1]);
41 }
42
43 NOINLINE float
44 foo32x2_le (float32x2_t x)
45 {
46 #ifdef __i386__
47 __builtin_ia32_emms ();
48 #endif
49 return bar (x[0]);
50 }
51
52 NOINLINE int
53 test (void)
54 {
55 float32x4_t a = { 0.0f, 1.0f, 2.0f, 3.0f };
56 float32x2_t b = { 0.0f, 1.0f };
57
58 if (foo32x2_be (b) != 1.0f)
59 abort ();
60
61 if (foo32x2_le (b) != 0.0f)
62 abort ();
63
64 if (foo32x4_be (a) != 3.0f)
65 abort ();
66
67 if (foo32x4_le (a) != 0.0f)
68 abort ();
69
70 return 0;
71 }
72
73 int
74 main ()
75 {
76 check_vect ();
77 return test ();
78 }
79
80 /* { dg-final { scan-rtl-dump "deleting noop move" "combine" { target aarch64*-*-* } } } */