diff options
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index f5d263f..248a8c2 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1085,11 +1085,13 @@ move_for_stack_reg (rtx insn, stack regstack, rtx pat) special case with i387 UNSPEC_TAN, where destination is live (an argument to fptan) but inherent load of 1.0 is modelled as a load from a constant. */ - if (! (GET_CODE (pat) == PARALLEL - && XVECLEN (pat, 0) == 2 - && GET_CODE (XVECEXP (pat, 0, 1)) == SET - && GET_CODE (SET_SRC (XVECEXP (pat, 0, 1))) == UNSPEC - && XINT (SET_SRC (XVECEXP (pat, 0, 1)), 1) == UNSPEC_TAN)) + if (GET_CODE (pat) == PARALLEL + && XVECLEN (pat, 0) == 2 + && GET_CODE (XVECEXP (pat, 0, 1)) == SET + && GET_CODE (SET_SRC (XVECEXP (pat, 0, 1))) == UNSPEC + && XINT (SET_SRC (XVECEXP (pat, 0, 1)), 1) == UNSPEC_TAN) + emit_swap_insn (insn, regstack, dest); + else gcc_assert (get_hard_regnum (regstack, dest) < FIRST_STACK_REG); gcc_assert (regstack->top < REG_STACK_SIZE); |