Merge lp:~linaro-toolchain-dev/gcc-linaro/lp-744754-neon-ice into lp:gcc-linaro/4.5

[Chung-Lin Tang]

See upstream post:
http://gcc.gnu.org/ml/gcc-patches/2011-03/msg02204.html

[Linaro Toolchain Builder (cbuild)]

cbuild has taken a snapshot of this branch at r99502 and queued it for build.

The snapshot is available at:
 http://ex.seabright.co.nz/snapshots/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice.tar.xdelta3.xz

and will be built on the following builders:
 a9-builder i686 x86_64

You can track the build queue at:
 http://ex.seabright.co.nz/helpers/scheduler

cbuild-snapshot: gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice
cbuild-ancestor: lp:gcc-linaro+bzr99501
cbuild-state: check

[Linaro Toolchain Builder (cbuild)]

cbuild successfully built this on i686-lucid-cbuild112-scorpius-i686r1.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/i686-lucid-cbuild112-scorpius-i686r1

The test suite results were unchanged compared to the branch point lp:gcc-linaro+bzr99501.

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/i686-lucid-cbuild112-scorpius-i686r1/gcc-testsuite.txt

cbuild-checked: i686-lucid-cbuild112-scorpius-i686r1

[Linaro Toolchain Builder (cbuild)]

cbuild successfully built this on x86_64-maverick-cbuild112-crucis-x86_64r1.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/x86_64-maverick-cbuild112-crucis-x86_64r1

The test suite results were unchanged compared to the branch point lp:gcc-linaro+bzr99501.

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/x86_64-maverick-cbuild112-crucis-x86_64r1/gcc-testsuite.txt

cbuild-checked: x86_64-maverick-cbuild112-crucis-x86_64r1

[Linaro Toolchain Builder (cbuild)]

cbuild successfully built this on armv7l-maverick-cbuild112-ursa4-cortexa9r1.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/armv7l-maverick-cbuild112-ursa4-cortexa9r1

The test suite results changed compared to the branch point lp:gcc-linaro+bzr99501:
 -FAIL: 27_io/basic_streambuf/sputn/wchar_t/1057.cc execution test
 +PASS: 27_io/basic_streambuf/sputn/wchar_t/1057.cc execution test
 -PASS: ext/pb_ds/example/priority_queue_dijkstra.cc execution test
 +FAIL: ext/pb_ds/example/priority_queue_dijkstra.cc execution test

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.5+bzr99502~cltang~lp-744754-neon-ice/logs/armv7l-maverick-cbuild112-ursa4-cortexa9r1/gcc-testsuite.txt

cbuild-checked: armv7l-maverick-cbuild112-ursa4-cortexa9r1

[Ramana Radhakrishnan (ramana)]

This regression needs to be investigated further.

 -PASS: ext/pb_ds/example/priority_queue_dijkstra.cc execution test
 +FAIL: ext/pb_ds/example/priority_queue_dijkstra.cc execution test

review: Needs Fixing

[Michael Hope (michaelh1)]

I'm not sure these libstdc++ differences are real. I need to look into them...

[Michael Hope (michaelh1)]

Obsoleted by lp:~ramana/gcc-linaro/fix-lp-744754-46

review: Disapprove

Unmerged revisions

99502. By Chung-Lin Tang on 2011-04-21

2011-04-21 Chung-Lin Tang <email address hidden>

 LP:744754

 Backport from mainline:
 2011-04-17 Chung-Lin Tang <email address hidden>

 * config/arm/arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC
 memory operands.

=== modified file 'ChangeLog.linaro'
--- ChangeLog.linaro	2011-04-20 09:15:28 +0000
+++ ChangeLog.linaro	2011-04-21 09:41:04 +0000
@@ -1,3 +1,13 @@
[phone]  Chung-Lin Tang  <[e-mail]>
+
+	LP:744754
+
+	Backport from mainline:
+	2011-04-17  Chung-Lin Tang  <[e-mail]>
+
+	* config/arm/arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC
+	memory operands.
+
 2011-04-19  Andrew Stubbs  <[e-mail]>
 
 	gcc/

=== modified file 'gcc/config/arm/arm.c'
--- gcc/config/arm/arm.c	2011-03-02 11:29:06 +0000
+++ gcc/config/arm/arm.c	2011-04-21 09:41:04 +0000
@@ -9275,6 +9275,11 @@
   if (GET_CODE (ind) == REG)
     return arm_address_register_rtx_p (ind, 0);
 
+  /* vldm/vstm allows POST_INC (ia) and PRE_DEC (db).  */
+  if (GET_CODE (ind) == POST_INC
+      || GET_CODE (ind) == PRE_DEC)
+    return arm_address_register_rtx_p (XEXP (ind, 0), 0);
+
   return FALSE;
 }