The following patch fixes
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79541
The patch was successfully bootstrapped and tested on x86-64.
Committed as rev. 245536.
Index: ChangeLog
===================================================================
--- ChangeLog (revision 245535)
+++ ChangeLog (working copy)
@@ -1,3 +1,9 @@
+2017-02-17 Vladimir Makarov <vmaka...@redhat.com>
+
+ PR rtl-optimization/79541
+ * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
+ instead of transforming it into USE.
+
2017-02-17 Segher Boessenkool <seg...@kernel.crashing.org>
* config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
Index: lra-constraints.c
===================================================================
--- lra-constraints.c (revision 245484)
+++ lra-constraints.c (working copy)
@@ -3773,9 +3773,9 @@ curr_insn_transform (bool check_only_p)
fatal_insn ("unable to generate reloads for:", curr_insn);
error_for_asm (curr_insn,
"inconsistent operand constraints in an %<asm%>");
- /* Avoid further trouble with this insn. */
- PATTERN (curr_insn) = gen_rtx_USE (VOIDmode, const0_rtx);
- lra_invalidate_insn_data (curr_insn);
+ /* Avoid further trouble with this insn. Don't generate use
+ pattern here as we could use the insn SP offset. */
+ lra_set_insn_deleted (curr_insn);
return true;
}
