Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/mpn/sparc32/lshift.asm b/third_party/gmp/mpn/sparc32/lshift.asm
new file mode 100644
index 0000000..8321343
--- /dev/null
+++ b/third_party/gmp/mpn/sparc32/lshift.asm
@@ -0,0 +1,105 @@
+dnl SPARC mpn_lshift -- Shift a number left.
+
+dnl Copyright 1995, 1996, 2000 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+C res_ptr %o0
+C src_ptr %o1
+C size %o2
+C cnt %o3
+
+ASM_START()
+PROLOGUE(mpn_lshift)
+ sll %o2,2,%g1
+ add %o1,%g1,%o1 C make %o1 point at end of src
+ ld [%o1-4],%g2 C load first limb
+ sub %g0,%o3,%o5 C negate shift count
+ add %o0,%g1,%o0 C make %o0 point at end of res
+ add %o2,-1,%o2
+ andcc %o2,4-1,%g4 C number of limbs in first loop
+ srl %g2,%o5,%g1 C compute function result
+ be L(0) C if multiple of 4 limbs, skip first loop
+ st %g1,[%sp+80]
+
+ sub %o2,%g4,%o2 C adjust count for main loop
+
+L(loop0):
+ ld [%o1-8],%g3
+ add %o0,-4,%o0
+ add %o1,-4,%o1
+ addcc %g4,-1,%g4
+ sll %g2,%o3,%o4
+ srl %g3,%o5,%g1
+ mov %g3,%g2
+ or %o4,%g1,%o4
+ bne L(loop0)
+ st %o4,[%o0+0]
+
+L(0): tst %o2
+ be L(end)
+ nop
+
+L(loop):
+ ld [%o1-8],%g3
+ add %o0,-16,%o0
+ addcc %o2,-4,%o2
+ sll %g2,%o3,%o4
+ srl %g3,%o5,%g1
+
+ ld [%o1-12],%g2
+ sll %g3,%o3,%g4
+ or %o4,%g1,%o4
+ st %o4,[%o0+12]
+ srl %g2,%o5,%g1
+
+ ld [%o1-16],%g3
+ sll %g2,%o3,%o4
+ or %g4,%g1,%g4
+ st %g4,[%o0+8]
+ srl %g3,%o5,%g1
+
+ ld [%o1-20],%g2
+ sll %g3,%o3,%g4
+ or %o4,%g1,%o4
+ st %o4,[%o0+4]
+ srl %g2,%o5,%g1
+
+ add %o1,-16,%o1
+ or %g4,%g1,%g4
+ bne L(loop)
+ st %g4,[%o0+0]
+
+L(end): sll %g2,%o3,%g2
+ st %g2,[%o0-4]
+ retl
+ ld [%sp+80],%o0
+EPILOGUE(mpn_lshift)