1 files changed, 269 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/frv/lib1funcs.S b/gcc-4.9/libgcc/config/frv/lib1funcs.S
new file mode 100644
index 000000000..1b80aea25
--- /dev/null
+++ b/gcc-4.9/libgcc/config/frv/lib1funcs.S
@@ -0,0 +1,269 @@
+/* Library functions.
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   Contributed by Red Hat, 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 <frv-asm.h>
+
+
+#ifdef L_cmpll
+/* icc0 = __cmpll (long long a, long long b)  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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.  */
+
+	.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];
+ *     }
+ * }
+ */
+
+	.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