diff options
Diffstat (limited to 'gcc/config/frv/lib1funcs.asm')
-rw-r--r-- | gcc/config/frv/lib1funcs.asm | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/gcc/config/frv/lib1funcs.asm b/gcc/config/frv/lib1funcs.asm new file mode 100644 index 00000000000..18a814235e0 --- /dev/null +++ b/gcc/config/frv/lib1funcs.asm @@ -0,0 +1,275 @@ +/* Library functions. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Red Hat, Inc. + + This file is part of GNU CC. + + GNU CC 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 2, or (at your option) + any later version. + + GNU CC 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. + + You should have received a copy of the GNU General Public License + along with GNU CC; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <frv-asm.h> + + +#ifdef L_cmpll +/* icc0 = __cmpll (long long a, long long b) */ + + .file "_cmpll.s" + .globl EXT(__cmpll) + .type EXT(__cmpll),@function + .text + .p2align 4 +EXT(__cmpll): + cmp gr8, gr10, icc0 + ckeq icc0, cc4 + P(ccmp) gr9, gr11, cc4, 1 + ret +.Lend: + .size EXT(__cmpll),.Lend-EXT(__cmpll) +#endif /* L_cmpll */ + +#ifdef L_cmpf +/* icc0 = __cmpf (float a, float b) */ +/* Note, because this function returns the result in ICC0, it means it can't + handle NaNs. */ + + .file "_cmpf.s" + .globl EXT(__cmpf) + .type EXT(__cmpf),@function + .text + .p2align 4 +EXT(__cmpf): +#ifdef __FRV_HARD_FLOAT__ /* floating point instructions available */ + movgf gr8, fr0 + P(movgf) gr9, fr1 + setlos #1, gr8 + fcmps fr0, fr1, fcc0 + P(fcklt) fcc0, cc0 + fckeq fcc0, cc1 + csub gr0, gr8, gr8, cc0, 1 + cmov gr0, gr8, cc1, 1 + cmpi gr8, 0, icc0 + ret +#else /* no floating point instructions available */ + movsg lr, gr4 + addi sp, #-16, sp + sti gr4, @(sp, 8) + st fp, @(sp, gr0) + mov sp, fp + call EXT(__cmpsf2) + cmpi gr8, #0, icc0 + ldi @(sp, 8), gr4 + movgs gr4, lr + ld @(sp,gr0), fp + addi sp, #16, sp + ret +#endif +.Lend: + .size EXT(__cmpf),.Lend-EXT(__cmpf) +#endif + +#ifdef L_cmpd +/* icc0 = __cmpd (double a, double b) */ +/* Note, because this function returns the result in ICC0, it means it can't + handle NaNs. */ + + .file "_cmpd.s" + .globl EXT(__cmpd) + .type EXT(__cmpd),@function + .text + .p2align 4 +EXT(__cmpd): + movsg lr, gr4 + addi sp, #-16, sp + sti gr4, @(sp, 8) + st fp, @(sp, gr0) + mov sp, fp + call EXT(__cmpdf2) + cmpi gr8, #0, icc0 + ldi @(sp, 8), gr4 + movgs gr4, lr + ld @(sp,gr0), fp + addi sp, #16, sp + ret +.Lend: + .size EXT(__cmpd),.Lend-EXT(__cmpd) +#endif + +#ifdef L_addll +/* gr8,gr9 = __addll (long long a, long long b) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_addll.s" + .globl EXT(__addll) + .type EXT(__addll),@function + .text + .p2align +EXT(__addll): + addcc gr9, gr11, gr9, icc0 + addx gr8, gr10, gr8, icc0 + ret +.Lend: + .size EXT(__addll),.Lend-EXT(__addll) +#endif + +#ifdef L_subll +/* gr8,gr9 = __subll (long long a, long long b) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_subll.s" + .globl EXT(__subll) + .type EXT(__subll),@function + .text + .p2align 4 +EXT(__subll): + subcc gr9, gr11, gr9, icc0 + subx gr8, gr10, gr8, icc0 + ret +.Lend: + .size EXT(__subll),.Lend-EXT(__subll) +#endif + +#ifdef L_andll +/* gr8,gr9 = __andll (long long a, long long b) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_andll.s" + .globl EXT(__andll) + .type EXT(__andll),@function + .text + .p2align 4 +EXT(__andll): + P(and) gr9, gr11, gr9 + P2(and) gr8, gr10, gr8 + ret +.Lend: + .size EXT(__andll),.Lend-EXT(__andll) +#endif + +#ifdef L_orll +/* gr8,gr9 = __orll (long long a, long long b) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_orll.s" + .globl EXT(__orll) + .type EXT(__orll),@function + .text + .p2align 4 +EXT(__orll): + P(or) gr9, gr11, gr9 + P2(or) gr8, gr10, gr8 + ret +.Lend: + .size EXT(__orll),.Lend-EXT(__orll) +#endif + +#ifdef L_xorll +/* gr8,gr9 = __xorll (long long a, long long b) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_xorll.s" + .globl EXT(__xorll) + .type EXT(__xorll),@function + .text + .p2align 4 +EXT(__xorll): + P(xor) gr9, gr11, gr9 + P2(xor) gr8, gr10, gr8 + ret +.Lend: + .size EXT(__xorll),.Lend-EXT(__xorll) +#endif + +#ifdef L_notll +/* gr8,gr9 = __notll (long long a) */ +/* Note, gcc will never call this function, but it is present in case an + ABI program calls it. */ + + .file "_notll.s" + .globl EXT(__notll) + .type EXT(__notll),@function + .text + .p2align 4 +EXT(__notll): + P(not) gr9, gr9 + P2(not) gr8, gr8 + ret +.Lend: + .size EXT(__notll),.Lend-EXT(__notll) +#endif + +#ifdef L_cmov +/* (void) __cmov (char *dest, const char *src, size_t len) */ +/* + * void __cmov (char *dest, const char *src, size_t len) + * { + * size_t i; + * + * if (dest < src || dest > src+len) + * { + * for (i = 0; i < len; i++) + * dest[i] = src[i]; + * } + * else + * { + * while (len-- > 0) + * dest[len] = src[len]; + * } + * } + */ + + .file "_cmov.s" + .globl EXT(__cmov) + .type EXT(__cmov),@function + .text + .p2align 4 +EXT(__cmov): + P(cmp) gr8, gr9, icc0 + add gr9, gr10, gr4 + P(cmp) gr8, gr4, icc1 + bc icc0, 0, .Lfwd + bls icc1, 0, .Lback +.Lfwd: + /* move bytes in a forward direction */ + P(setlos) #0, gr5 + cmp gr0, gr10, icc0 + P(subi) gr9, #1, gr9 + P2(subi) gr8, #1, gr8 + bnc icc0, 0, .Lret +.Lfloop: + /* forward byte move loop */ + addi gr5, #1, gr5 + P(ldsb) @(gr9, gr5), gr4 + cmp gr5, gr10, icc0 + P(stb) gr4, @(gr8, gr5) + bc icc0, 0, .Lfloop + ret +.Lbloop: + /* backward byte move loop body */ + ldsb @(gr9,gr10),gr4 + stb gr4,@(gr8,gr10) +.Lback: + P(cmpi) gr10, #0, icc0 + addi gr10, #-1, gr10 + bne icc0, 0, .Lbloop +.Lret: + ret +.Lend: + .size EXT(__cmov),.Lend-EXT(__cmov) +#endif |