From 5a8608353261070997bb1bc54e16f5eba8436b5d Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 27 Nov 2012 14:38:32 +0100 Subject: [PATCH] re PR middle-end/52650 (FAIL: gcc.dg/torture/pr51106-2.c * (internal compiler error)) PR middle-end/52650 * function.c (instantiate_virtual_regs_in_insn): Don't delete invalid asm gotos, instead just clear their template and inputs. From-SVN: r193846 --- gcc/ChangeLog | 4 ++++ gcc/function.c | 13 ++++++++++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 23ec9aa1efc..5a18b153d01 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2012-11-27 Jakub Jelinek + PR middle-end/52650 + * function.c (instantiate_virtual_regs_in_insn): Don't delete invalid + asm gotos, instead just clear their template and inputs. + PR tree-optimization/55110 * tree-vect-loop.c (vectorizable_reduction): Don't assert that STMT_VINFO_RELATED_STMT of orig_stmt is stmt. diff --git a/gcc/function.c b/gcc/function.c index 9a8e0aed7e2..9ef6f77f6e5 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1738,7 +1738,18 @@ instantiate_virtual_regs_in_insn (rtx insn) if (!check_asm_operands (PATTERN (insn))) { error_for_asm (insn, "impossible constraint in %"); - delete_insn_and_edges (insn); + /* For asm goto, instead of fixing up all the edges + just clear the template and clear input operands + (asm goto doesn't have any output operands). */ + if (JUMP_P (insn)) + { + rtx asm_op = extract_asm_operands (PATTERN (insn)); + ASM_OPERANDS_TEMPLATE (asm_op) = ggc_strdup (""); + ASM_OPERANDS_INPUT_VEC (asm_op) = rtvec_alloc (0); + ASM_OPERANDS_INPUT_CONSTRAINT_VEC (asm_op) = rtvec_alloc (0); + } + else + delete_insn (insn); } } else