From: Niels Möller <nisse@lysator.liu.se>
Date: Wed, 10 Sep 2008 20:15:26 +0000 (+0200)
Subject: *** empty log message ***
X-Git-Tag: nettle_2.0_release_20090608~74
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=eec8e84c9923cc11a52d8273b5b28af9403e3462;p=thirdparty%2Fnettle.git

*** empty log message ***

Rev: nettle/ChangeLog:1.16
Rev: nettle/x86_64/README:1.1
---

diff --git a/ChangeLog b/ChangeLog
index 38f85c16..30791c07 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-10  Niels Möller  <nisse@lysator.liu.se>
+
+	* x86_64/sha1-compress.asm: Avoid using registers %rbx and %rbp,
+	which must be preserved.
+
 2008-09-08  Niels Möller  <nisse@lysator.liu.se>
 
 	* Makefile.in (stamp-h.in): Use $(AUTOHEADER).
diff --git a/x86_64/README b/x86_64/README
new file mode 100644
index 00000000..95db7fee
--- /dev/null
+++ b/x86_64/README
@@ -0,0 +1,25 @@
+ABI, according to http://www.x86-64.org/documentation/abi-0.99.pdf:
+
+Up to 6 integer and pointer arguments are passed in registers. Nine
+registers, %rax, %rcx, %rdx, %rsi, %rdi and %r8-%r12 can be used
+freely. Integers and pointers are returned in %rax.
+
+Registers	May be		Argument
+		clobbered	number
+
+%rax 		Y
+%rbx		
+%rcx		Y		4
+%rdx		Y		3
+%rbp		
+%rsi		Y		2
+%rdi		Y		1 
+%rsp		(SP)
+%r8		Y		5
+%r9		Y		6
+%r10		Y
+%r11		Y
+%r12		
+%r13		
+%r14		
+%r15