| /* Copyright (C) 2006-2021 Free Software Foundation, Inc. |
| Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| on behalf of Synopsys Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "arc-ieee-754.h" |
| |
| #if 0 /* DEBUG */ |
| .global __extendsfdf2 |
| .balign 4 |
| FUNC(__extendsfdf2) |
| __extendsfdf2: |
| push_s blink |
| bl.d __extendsfdf2_c |
| push_s r0 |
| ld_s r2,[sp] |
| st_s r1,[sp] |
| push_s r0 |
| bl.d __extendsfdf2_asm |
| mov_s r0,r2 |
| pop_s r2 |
| pop_s r3 |
| pop_s blink |
| cmp r0,r2 |
| cmp.eq r1,r3 |
| jeq_s [blink] |
| bl abort |
| ENDFUNC(__extendsfdf2) |
| #define __extendsfdf2 __extendsfdf2_asm |
| #endif /* DEBUG */ |
| #if 0 /* ARC600 */ |
| __extendsfdf2: |
| lsr r2,r0,23 |
| tst r2,0xff |
| bic.ne.f r2,0xff |
| beq_s .Linf_nan_denorm_0 |
| .. |
| .Linf_nan_denorm: |
| bbit1 r0,30,.Linf_nan |
| #endif |
| .global __extendsfdf2 |
| .balign 4 |
| FUNC(__extendsfdf2) |
| __extendsfdf2: |
| add.f r1,r0,r0 |
| norm r3,r1 |
| #ifdef __LITTLE_ENDIAN__ |
| lsr_s DBL0H,r1,4 |
| brhs r3,7,.Linf_nan_denorm_0 |
| asl_s DBL0L,r0,29 |
| add_s DBL0H,DBL0H, \ |
| 0x38000000 |
| #else |
| lsr r2,r1,4 |
| brhs r3,7,.Linf_nan_denorm_0 |
| asl_s DBL0L,r1,28 |
| add DBL0H,r2, \ |
| 0x38000000 |
| #endif |
| j_s.d [blink] |
| bxor.cs DBL0H,DBL0H,31 |
| .balign 4 |
| .Linf_nan_denorm_0: |
| #ifdef __LITTLE_ENDIAN__ |
| mov_s DBL0H,r0 |
| jeq.d [blink] |
| mov.eq DBL0L,0 |
| #else |
| jeq_s [blink] |
| #endif |
| bmi .Linf_nan |
| asl_s r0,r0,r3 |
| rsub r3,r3,0x380+6 |
| #ifdef __LITTLE_ENDIAN__ |
| asl_s r3,r3,20 |
| lsr DBL0H,r0,9 |
| asl_s DBL0L,r0,23 |
| add_s DBL0H,DBL0H,r3 |
| j_s.d [blink] |
| bxor.cs DBL0H,DBL0H,31 |
| #else |
| asl DBL0L,r0,23 |
| lsr_s DBL0H,r0,9 |
| asl_s r3,r3,20 |
| bxor.cs DBL0H,DBL0H,31 |
| j_s.d [blink] |
| add_l DBL0H,DBL0H,r3 |
| #endif |
| .Linf_nan: |
| #ifdef __LITTLE_ENDIAN__ |
| lsr DBL0H,r0,3 |
| |
| or_s DBL0H,DBL0H,r0 |
| j_s.d [blink] |
| mov_l DBL0L,0 |
| #else |
| lsr r3,r0,3 |
| mov_s DBL0L,0 |
| j_s.d [blink] |
| or_l DBL0H,r0,r3 |
| #endif |
| ENDFUNC(__extendsfdf2) |