diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch')
| -rw-r--r-- | import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch b/import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-4.9/0067-fix-arm-thumb.patch new file mode 100644 index 000000000..2f262e3a3 --- /dev/null +++ b/import-layers/yocto-poky/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 <dbaryshkov@gmail.com> +--- + +2015-11-25 Vladimir Makarov <vmakarov@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 |
