diff options
Diffstat (limited to 'gcc/sibcall.c')
| -rw-r--r-- | gcc/sibcall.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/sibcall.c b/gcc/sibcall.c index 1a3a310..34cf5a9 100644 --- a/gcc/sibcall.c +++ b/gcc/sibcall.c @@ -53,10 +53,12 @@ identify_call_return_value (cp, p_hard_return, p_soft_return) { rtx insn, set, hard, soft; - /* Search forward through the "normal" call sequence to the CALL insn. */ insn = XEXP (cp, 0); - while (GET_CODE (insn) != CALL_INSN) + /* Search backward through the "normal" call sequence to the CALL insn. */ + while (NEXT_INSN (insn)) insn = NEXT_INSN (insn); + while (GET_CODE (insn) != CALL_INSN) + insn = PREV_INSN (insn); /* Assume the pattern is (set (dest) (call ...)), or that the first member of a parallel is. This is the hard return register used @@ -75,6 +77,11 @@ identify_call_return_value (cp, p_hard_return, p_soft_return) if (GET_CODE (hard) != REG) return 0; + /* Stack adjustment done after call may appear here. */ + insn = skip_stack_adjustment (insn); + if (! insn) + return 0; + /* If there's nothing after, there's no soft return value. */ insn = NEXT_INSN (insn); if (! insn) |