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gcc: add patch for ice 50099, which caused lttng-ust not to build 

[YOCTO #1381]

This patch came from from GCC Bugzilla via Khem

Cc: Khem Raj <raj.khem@gmail.com>
(From OE-Core rev: 61dac2f6f68bc46d8f3f6f7a8757924f103c7c54)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Saul Wold 2011-09-07 10:19:34 -07:00 committed by Richard Purdie
parent 7283bb980b
commit 0efd5b3d11
2 changed files with 51 additions and 1 deletions
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3
meta/recipes-devtools/gcc/gcc-4.6.inc
View File

@ -1,6 +1,6 @@
require gcc-common.inc
PR = "r9"
PR = "r10"
# Third digit in PV should be incremented after a minor release
# happens from this branch on gcc e.g. currently its 4.6.0
@ -67,6 +67,7 @@ SRC_URI = "svn://gcc.gnu.org/svn/gcc/branches;module=${BRANCH};proto=http \
file://volatile_access_backport.patch \
file://use-defaults.h-and-t-oe-in-B.patch \
file://powerpc-e5500.patch \
file://fix-for-ice-50099.patch \
"
SRC_URI_append_sh3 = " file://sh3-installfix-fixheaders.patch "

49
meta/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch Normal file
View File

@ -0,0 +1,49 @@
This patch address an issue with the compiler generating an ICE
during compliation of lttng-ust.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50099
Upstream-Status: Pending
Signed-off-by: Khem Raj <khem.raj@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Index: gcc/config/arm/arm.md
===================================================================
--- gcc-4.6.0/gcc/config/arm/arm.md (revision 178135)
+++ gcc-4.6.0/gcc/config/arm/arm.md (working copy)
@@ -4217,6 +4217,7 @@ (define_split
"TARGET_32BIT"
[(set (match_dup 0) (ashiftrt:SI (match_dup 1) (const_int 31)))]
{
+ rtx srcop = operands[1];
rtx lo_part = gen_lowpart (SImode, operands[0]);
enum machine_mode src_mode = GET_MODE (operands[1]);
@@ -4224,14 +4225,21 @@ (define_split
&& !reg_overlap_mentioned_p (operands[0], operands[1]))
emit_clobber (operands[0]);
+ if (TARGET_ARM && src_mode == QImode
+ && !arm_reg_or_extendqisi_mem_op (srcop, QImode))
+ {
+ rtx dest = gen_lowpart (QImode, lo_part);
+ emit_move_insn (dest, srcop);
+ srcop = dest;
+ }
if (!REG_P (lo_part) || src_mode != SImode
- || !rtx_equal_p (lo_part, operands[1]))
+ || !rtx_equal_p (lo_part, srcop))
{
if (src_mode == SImode)
- emit_move_insn (lo_part, operands[1]);
+ emit_move_insn (lo_part, srcop);
else
emit_insn (gen_rtx_SET (VOIDmode, lo_part,
- gen_rtx_SIGN_EXTEND (SImode, operands[1])));
+ gen_rtx_SIGN_EXTEND (SImode, srcop)));
operands[1] = lo_part;
}
operands[0] = gen_highpart (SImode, operands[0]);