diff options
Diffstat (limited to 'gcc/lra.c')
| -rw-r--r-- | gcc/lra.c | 35 |
1 files changed, 5 insertions, 30 deletions
@@ -490,13 +490,16 @@ void lra_emit_move (rtx x, rtx y) { int old; - + rtx_insn *insn; + if (GET_CODE (y) != PLUS) { if (rtx_equal_p (x, y)) return; old = max_reg_num (); - rtx_insn *insn = emit_move_insn (x, y); + + insn = (GET_CODE (x) != STRICT_LOW_PART + ? emit_move_insn (x, y) : emit_insn (gen_rtx_SET (x, y))); /* The move pattern may require scratch registers, so convert them into real registers now. */ if (insn != NULL_RTX) @@ -2231,34 +2234,6 @@ has_nonexceptional_receiver (void) return false; } - -/* Process recursively X of INSN and add REG_INC notes if necessary. */ -static void -add_auto_inc_notes (rtx_insn *insn, rtx x) -{ - enum rtx_code code = GET_CODE (x); - const char *fmt; - int i, j; - - if (code == MEM && auto_inc_p (XEXP (x, 0))) - { - add_reg_note (insn, REG_INC, XEXP (XEXP (x, 0), 0)); - return; - } - - /* Scan all X sub-expressions. */ - fmt = GET_RTX_FORMAT (code); - for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--) - { - if (fmt[i] == 'e') - add_auto_inc_notes (insn, XEXP (x, i)); - else if (fmt[i] == 'E') - for (j = XVECLEN (x, i) - 1; j >= 0; j--) - add_auto_inc_notes (insn, XVECEXP (x, i, j)); - } -} - - /* Remove all REG_DEAD and REG_UNUSED notes and regenerate REG_INC. We change pseudos by hard registers without notification of DF and that can make the notes obsolete. DF-infrastructure does not deal |