diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 705a25598b0..a68e743b616 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -2312,6 +2312,8 @@ expand_builtin_interclass_mathfn (tree exp, rtx target, rtx subtarget) if (icode != CODE_FOR_nothing) { + rtx last = get_last_insn (); + tree orig_arg = arg; /* Make a suitable register to place result in. */ if (!target || GET_MODE (target) != TYPE_MODE (TREE_TYPE (exp))) @@ -2332,8 +2334,10 @@ expand_builtin_interclass_mathfn (tree exp, rtx target, rtx subtarget) /* Compute into TARGET. Set TARGET to wherever the result comes back. */ - emit_unop_insn (icode, target, op0, UNKNOWN); - return target; + if (maybe_emit_unop_insn (icode, target, op0, UNKNOWN)) + return target; + delete_insns_since (last); + CALL_EXPR_ARG (exp, 0) = orig_arg; } return NULL_RTX; @@ -5197,9 +5201,11 @@ expand_builtin_signbit (tree exp, rtx target) icode = signbit_optab->handlers [(int) fmode].insn_code; if (icode != CODE_FOR_nothing) { + rtx last = get_last_insn (); target = gen_reg_rtx (TYPE_MODE (TREE_TYPE (exp))); - emit_unop_insn (icode, target, temp, UNKNOWN); - return target; + if (maybe_emit_unop_insn (icode, target, temp, UNKNOWN)) + return target; + delete_insns_since (last); } /* For floating point formats without a sign bit, implement signbit |