diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch new file mode 100644 index 0000000000..57b03d2bfb --- /dev/null +++ b/toolchain-layer/recipes-devtools/gcc/gcc-4.6/fix-for-ice-50099.patch @@ -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]); + |