Import patch fixing a bug that caused ICE when compiling some packages
(e.g. ICU) in Thumb-1 model.
Signed-off-by: Dmitry Eremin-Solenikov <dbarysh...@gmail.com>
---
meta/recipes-devtools/gcc/gcc-4.9.inc | 1 +
.../gcc/gcc-4.9/0067-fix-arm-thumb.patch | 39 ++++++++++++++++++++++
2 files changed, 40 insertions(+)
create mode 100644 meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch
diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc
b/meta/recipes-devtools/gcc/gcc-4.9.inc
index 6ac3685..d62e801 100644
--- a/meta/recipes-devtools/gcc/gcc-4.9.inc
+++ b/meta/recipes-devtools/gcc/gcc-4.9.inc
@@ -82,6 +82,7 @@ SRC_URI = "\
file://0064-handle-target-sysroot-multilib.patch \
file://0065-gcc-483-universal-initializer-no-warning.patch \
file://0066-cxxflags-for-build.patch \
+ file://0067-fix-arm-thumb.patch \
"
SRC_URI[md5sum] = "6f831b4d251872736e8e9cc09746f327"
SRC_URI[sha256sum] =
"2332b2a5a321b57508b9031354a8503af6fdfb868b8c1748d33028d100a8b67e"
diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch
b/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch
new file mode 100644
index 0000000..2f262e3
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch
@@ -0,0 +1,39 @@
+Upstream-Status: Accepted
+
+Signed-off-by: Dmitry Eremin-Solenikov <dbarysh...@gmail.com>
+---
+
+2015-11-25 Vladimir Makarov <vmaka...@redhat.com>
+
+ PR rtl-optimization/67954
+ * lra-constraints.c (curr_insn_transform): Add check on scratch
+ pseudo when change class to NO_REGS. Add an assert.
+
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230894
138bc75d-0d04-0410-961f-82ee72b054a4
+---
+
+diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
+index 4670e81..c62bf6a 100644
+--- a/gcc/lra-constraints.c
++++ b/gcc/lra-constraints.c
+@@ -3725,7 +3725,8 @@ curr_insn_transform (bool check_only_p)
+ assigment pass and the scratch pseudo will be
+ spilled. Spilled scratch pseudos are transformed
+ back to scratches at the LRA end. */
+- && lra_former_scratch_operand_p (curr_insn, i))
++ && lra_former_scratch_operand_p (curr_insn, i)
++ && lra_former_scratch_p (REGNO (op)))
+ {
+ int regno = REGNO (op);
+ lra_change_class (regno, NO_REGS, " Change to", true);
+@@ -3734,6 +3735,8 @@ curr_insn_transform (bool check_only_p)
+ spilled pseudo as there is only one such insn, the
+ current one. */
+ reg_renumber[regno] = -1;
++ lra_assert (bitmap_single_bit_set_p
++ (&lra_reg_info[REGNO (op)].insn_bitmap));
+ }
+ /* We can do an optional reload. If the pseudo got a hard
+ reg, we might improve the code through inheritance. If
--
2.6.2
--
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