[gentoo-commits] gentoo commit in src/patchsets/gcc/5.3.0/gentoo: 91_all_pr69140-msabi-stack-alignment.patch README.history

[Ryan Hill (rhill)]

rhill       16/04/29 00:29:02

  Modified:             README.history
  Added:                91_all_pr69140-msabi-stack-alignment.patch
  Log:
  Add patch for bug #574044 and push out p1.1.

Revision  Changes    Path
1.4                  src/patchsets/gcc/5.3.0/gentoo/README.history

file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/README.history?rev=1.4&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/README.history?rev=1.4&content-type=text/plain
diff : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/README.history?r1=1.3&r2=1.4

Index: README.history
===================================================================
RCS file: /var/cvsroot/gentoo/src/patchsets/gcc/5.3.0/gentoo/README.history,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- README.history	26 Jan 2016 21:05:43 -0000	1.3
+++ README.history	29 Apr 2016 00:29:02 -0000	1.4
@@ -1,6 +1,7 @@
-1.1		[pending]
+1.1		28 Apr 2016
 	+ 36_all_gcc-ia64-pr60465.patch
 	U 74_all_gcc5_isl-dl.patch
+	+ 91_all_pr69140-msabi-stack-alignment.patch
 
 1.0		05 Dec 2015
 	+ 05_all_gcc-spec-env.patch



1.1                  src/patchsets/gcc/5.3.0/gentoo/91_all_pr69140-msabi-stack-alignment.patch

file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/91_all_pr69140-msabi-stack-alignment.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/91_all_pr69140-msabi-stack-alignment.patch?rev=1.1&content-type=text/plain

Index: 91_all_pr69140-msabi-stack-alignment.patch
===================================================================
https://bugs.gentoo.org/574044
https://gcc.gnu.org/PR69140

commit 11e330df4d27cf801f7edd61605082f66d1ee4ae
Author: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Mon Jan 18 16:19:53 2016 +0000

    	Backport from mainline
    	2016-01-07  Uros Bizjak  <ubizjak@×××××.com>
    
    	PR target/69140
    	* config/i386/i386.c (ix86_frame_pointer_required): Enable
    	frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
    
    testsuite/ChangeLog:
    
    	Backport from mainline
    	2016-01-06  Uros Bizjak  <ubizjak@×××××.com>
    
    	PR target/69140
    	* gcc.target/i386/pr69140.c: New test
    
    
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@232528 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog                           |  9 +++++++++
 gcc/config/i386/i386.c                  |  4 ++++
 gcc/testsuite/ChangeLog                 |  8 ++++++++
 gcc/testsuite/gcc.target/i386/pr69140.c | 24 ++++++++++++++++++++++++
 4 files changed, 45 insertions(+)

--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -9690,6 +9690,10 @@ ix86_frame_pointer_required (void)
   if (TARGET_64BIT_MS_ABI && get_frame_size () > SEH_MAX_FRAME_SIZE)
     return true;
 
+  /* SSE saves require frame-pointer when stack is misaligned.  */
+  if (TARGET_64BIT_MS_ABI && ix86_incoming_stack_boundary < 128)
+    return true;
+  
   /* In ix86_option_override_internal, TARGET_OMIT_LEAF_FRAME_POINTER
      turns off the frame pointer by default.  Turn it back on now if
      we've not got a leaf function.  */
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr69140.c
@@ -0,0 +1,24 @@
+/* { dg-do compile { target lp64 } } */
+/* { dg-options "-O2 -mincoming-stack-boundary=3" } */
+
+typedef struct {
+  unsigned int buf[4];
+  unsigned char in[64];
+} MD4_CTX;
+
+static void
+MD4Transform (unsigned int buf[4], const unsigned int in[16])
+{
+  unsigned int a, b, c, d;
+  (b) += ((((c)) & ((d))) | ((~(c)) & ((a)))) + (in[7]);
+  (a) += ((((b)) & ((c))) | ((~(b)) & ((d)))) + (in[8]);
+  (d) += ((((a)) & ((b))) | ((~(a)) & ((c)))) + (in[9]);
+  buf[3] += d;
+}
+
+void __attribute__((ms_abi))
+MD4Update (MD4_CTX *ctx, const unsigned char *buf)
+{
+  MD4Transform( ctx->buf, (unsigned int *)ctx->in);
+  MD4Transform( ctx->buf, (unsigned int *)ctx->in);
+}