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-rw-r--r--sysdeps/sparc/sparc64/multiarch/sha512-crop.S131
1 files changed, 131 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/multiarch/sha512-crop.S b/sysdeps/sparc/sparc64/multiarch/sha512-crop.S
new file mode 100644
index 0000000000..efd8ae3cde
--- /dev/null
+++ b/sysdeps/sparc/sparc64/multiarch/sha512-crop.S
@@ -0,0 +1,131 @@
+/* SHA512 using sparc crypto opcodes.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller (davem@davemloft.net)
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+
+#define SHA512		\
+	.word	0x81b02860;
+
+	.text
+	.align	32
+ENTRY(__sha512_process_block_crop)
+	/* %o0=buffer, %o1=len, %o2=CTX */
+	ldx	[%o2 + 0x48], %g1
+	add	%g1, %o1, %o4
+	stx	%o4, [%o2 + 0x48]
+	cmp	%o4, %g1
+	bgeu,pt	%xcc, 1f
+	 nop
+	ldx	[%o2 + 0x40], %g1
+	add	%g1, 1, %g1
+	stx	%g1, [%o2 + 0x40]
+
+1:	ldd	[%o2 + 0x00], %f0
+	ldd	[%o2 + 0x08], %f2
+	ldd	[%o2 + 0x10], %f4
+	ldd	[%o2 + 0x18], %f6
+	ldd	[%o2 + 0x20], %f8
+	ldd	[%o2 + 0x28], %f10
+	andcc	%o1, 0x7, %g0
+	ldd	[%o2 + 0x30], %f12
+	bne,pn	%xcc, 10f
+	 ldd	[%o2 + 0x38], %f14
+
+1:
+	ldd	[%o0 + 0x00], %f16
+	ldd	[%o0 + 0x08], %f18
+	ldd	[%o0 + 0x10], %f20
+	ldd	[%o0 + 0x18], %f22
+	ldd	[%o0 + 0x20], %f24
+	ldd	[%o0 + 0x28], %f26
+	ldd	[%o0 + 0x30], %f28
+	ldd	[%o0 + 0x38], %f30
+	ldd	[%o0 + 0x40], %f32
+	ldd	[%o0 + 0x48], %f34
+	ldd	[%o0 + 0x50], %f36
+	ldd	[%o0 + 0x58], %f38
+	ldd	[%o0 + 0x60], %f40
+	ldd	[%o0 + 0x68], %f42
+	ldd	[%o0 + 0x70], %f44
+	ldd	[%o0 + 0x78], %f46
+
+	SHA512
+
+	subcc	%o1, 0x80, %o1
+	bne,pt	%xcc, 1b
+	 add	%o0, 0x80, %o0
+
+5:
+	std	%f0, [%o2 + 0x00]
+	std	%f2, [%o2 + 0x08]
+	std	%f4, [%o2 + 0x10]
+	std	%f6, [%o2 + 0x18]
+	std	%f8, [%o2 + 0x20]
+	std	%f10, [%o2 + 0x28]
+	std	%f12, [%o2 + 0x30]
+	retl
+	 std	%f14, [%o2 + 0x38]
+10:
+	alignaddr %o0, %g0, %o0
+
+	ldd	[%o0 + 0x00], %f18
+1:
+	ldd	[%o0 + 0x08], %f20
+	ldd	[%o0 + 0x10], %f22
+	ldd	[%o0 + 0x18], %f24
+	ldd	[%o0 + 0x20], %f26
+	ldd	[%o0 + 0x28], %f28
+	ldd	[%o0 + 0x30], %f30
+	ldd	[%o0 + 0x38], %f32
+	ldd	[%o0 + 0x40], %f34
+	ldd	[%o0 + 0x48], %f36
+	ldd	[%o0 + 0x50], %f38
+	ldd	[%o0 + 0x58], %f40
+	ldd	[%o0 + 0x60], %f42
+	ldd	[%o0 + 0x68], %f44
+	ldd	[%o0 + 0x70], %f46
+	ldd	[%o0 + 0x78], %f48
+	ldd	[%o0 + 0x80], %f50
+
+	faligndata %f18, %f20, %f16
+	faligndata %f20, %f22, %f18
+	faligndata %f22, %f24, %f20
+	faligndata %f24, %f26, %f22
+	faligndata %f26, %f28, %f24
+	faligndata %f28, %f30, %f26
+	faligndata %f30, %f32, %f28
+	faligndata %f32, %f34, %f30
+	faligndata %f34, %f36, %f32
+	faligndata %f36, %f38, %f34
+	faligndata %f38, %f40, %f36
+	faligndata %f40, %f42, %f38
+	faligndata %f42, %f44, %f40
+	faligndata %f44, %f46, %f42
+	faligndata %f46, %f48, %f44
+	faligndata %f48, %f50, %f46
+
+	SHA512
+
+	subcc	%o1, 0x80, %o1
+	fsrc2	%f50, %f18
+	bne,pt	%xcc, 1b
+	 add	%o0, 0x80, %o0
+
+	ba,a,pt	%xcc, 5b
+END(__sha512_process_block_crop)