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Diffstat (limited to 'libc/sysdeps/sparc/sparc64/multiarch/sha512-crop.S')
-rw-r--r--libc/sysdeps/sparc/sparc64/multiarch/sha512-crop.S131
1 files changed, 131 insertions, 0 deletions
diff --git a/libc/sysdeps/sparc/sparc64/multiarch/sha512-crop.S b/libc/sysdeps/sparc/sparc64/multiarch/sha512-crop.S
new file mode 100644
index 000000000..efd8ae3cd
--- /dev/null
+++ b/libc/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)