projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9254fc | 1 | /* Copyright (C) 2006-2020 Free Software Foundation, Inc. |
| d38a64b4 JR |
2 | Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| 3 | on behalf of Synopsys Inc. | |
| 4 | ||
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify it under | |
| 8 | the terms of the GNU General Public License as published by the Free | |
| 9 | Software Foundation; either version 3, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 | for more details. | |
| 16 | ||
| 17 | Under Section 7 of GPL version 3, you are granted additional | |
| 18 | permissions described in the GCC Runtime Library Exception, version | |
| 19 | 3.1, as published by the Free Software Foundation. | |
| 20 | ||
| 21 | You should have received a copy of the GNU General Public License and | |
| 22 | a copy of the GCC Runtime Library Exception along with this program; | |
| 23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 | <http://www.gnu.org/licenses/>. */ | |
| 25 | ||
| 26 | #include "arc-ieee-754.h" | |
| 27 | ||
| 28 | #if 0 /* DEBUG */ | |
| 29 | .global __extendsfdf2 | |
| 30 | .balign 4 | |
| 31 | FUNC(__extendsfdf2) | |
| 32 | __extendsfdf2: | |
| 33 | push_s blink | |
| 34 | bl.d __extendsfdf2_c | |
| 35 | push_s r0 | |
| 36 | ld_s r2,[sp] | |
| 37 | st_s r1,[sp] | |
| 38 | push_s r0 | |
| 39 | bl.d __extendsfdf2_asm | |
| 40 | mov_s r0,r2 | |
| 41 | pop_s r2 | |
| 42 | pop_s r3 | |
| 43 | pop_s blink | |
| 44 | cmp r0,r2 | |
| 45 | cmp.eq r1,r3 | |
| 46 | jeq_s [blink] | |
| 47 | bl abort | |
| 48 | ENDFUNC(__extendsfdf2) | |
| 49 | #define __extendsfdf2 __extendsfdf2_asm | |
| 50 | #endif /* DEBUG */ | |
| 51 | #if 0 /* ARC600 */ | |
| 52 | __extendsfdf2: | |
| 53 | lsr r2,r0,23 | |
| 54 | tst r2,0xff | |
| 55 | bic.ne.f r2,0xff | |
| 56 | beq_s .Linf_nan_denorm_0 | |
| 57 | .. | |
| 58 | .Linf_nan_denorm: | |
| 59 | bbit1 r0,30,.Linf_nan | |
| 60 | #endif | |
| 61 | .global __extendsfdf2 | |
| 62 | .balign 4 | |
| 63 | FUNC(__extendsfdf2) | |
| 64 | __extendsfdf2: | |
| 65 | add.f r1,r0,r0 | |
| 66 | norm r3,r1 | |
| 67 | #ifdef __LITTLE_ENDIAN__ | |
| 68 | lsr_s DBL0H,r1,4 | |
| 69 | brhs r3,7,.Linf_nan_denorm_0 | |
| 70 | asl_s DBL0L,r0,29 | |
| 71 | add_s DBL0H,DBL0H, \ | |
| 72 | 0x38000000 | |
| 73 | #else | |
| 74 | lsr r2,r1,4 | |
| 75 | brhs r3,7,.Linf_nan_denorm_0 | |
| 76 | asl_s DBL0L,r1,28 | |
| 77 | add DBL0H,r2, \ | |
| 78 | 0x38000000 | |
| 79 | #endif | |
| 80 | j_s.d [blink] | |
| 81 | bxor.cs DBL0H,DBL0H,31 | |
| 82 | .balign 4 | |
| 83 | .Linf_nan_denorm_0: | |
| 84 | #ifdef __LITTLE_ENDIAN__ | |
| 85 | mov_s DBL0H,r0 | |
| 86 | jeq.d [blink] | |
| 87 | mov.eq DBL0L,0 | |
| 88 | #else | |
| 89 | jeq_s [blink] | |
| 90 | #endif | |
| 91 | bmi .Linf_nan | |
| 92 | asl_s r0,r0,r3 | |
| 93 | rsub r3,r3,0x380+6 | |
| 94 | #ifdef __LITTLE_ENDIAN__ | |
| 95 | asl_s r3,r3,20 | |
| 96 | lsr DBL0H,r0,9 | |
| 97 | asl_s DBL0L,r0,23 | |
| 98 | add_s DBL0H,DBL0H,r3 | |
| 99 | j_s.d [blink] | |
| 100 | bxor.cs DBL0H,DBL0H,31 | |
| 101 | #else | |
| 102 | asl DBL0L,r0,23 | |
| 103 | lsr_s DBL0H,r0,9 | |
| 104 | asl_s r3,r3,20 | |
| 105 | bxor.cs DBL0H,DBL0H,31 | |
| 106 | j_s.d [blink] | |
| 107 | add_l DBL0H,DBL0H,r3 | |
| 108 | #endif | |
| 109 | .Linf_nan: | |
| 110 | #ifdef __LITTLE_ENDIAN__ | |
| 111 | lsr DBL0H,r0,3 | |
| 112 | ||
| 113 | or_s DBL0H,DBL0H,r0 | |
| 114 | j_s.d [blink] | |
| 115 | mov_l DBL0L,0 | |
| 116 | #else | |
| 117 | lsr r3,r0,3 | |
| 118 | mov_s DBL0L,0 | |
| 119 | j_s.d [blink] | |
| 120 | or_l DBL0H,r0,r3 | |
| 121 | #endif | |
| 122 | ENDFUNC(__extendsfdf2) |