diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 32 |
1 files changed, 14 insertions, 18 deletions
@@ -9155,6 +9155,17 @@ do_store_flag (tree exp, rtx target, enum machine_mode mode, int only_cheap) return 0; icode = setcc_gen_code[(int) code]; + + if (icode == CODE_FOR_nothing) + { + enum machine_mode wmode; + + for (wmode = operand_mode; + icode == CODE_FOR_nothing && wmode != VOIDmode; + wmode = GET_MODE_WIDER_MODE (wmode)) + icode = cstore_optab->handlers[(int) wmode].insn_code; + } + if (icode == CODE_FOR_nothing || (only_cheap && insn_data[(int) icode].operand[0].mode != mode)) { @@ -9200,25 +9211,10 @@ do_store_flag (tree exp, rtx target, enum machine_mode mode, int only_cheap) target = gen_reg_rtx (GET_MODE (target)); emit_move_insn (target, invert ? const0_rtx : const1_rtx); - result = compare_from_rtx (op0, op1, code, unsignedp, - operand_mode, NULL_RTX); - if (GET_CODE (result) == CONST_INT) - return (((result == const0_rtx && ! invert) - || (result != const0_rtx && invert)) - ? const0_rtx : const1_rtx); - - /* The code of RESULT may not match CODE if compare_from_rtx - decided to swap its operands and reverse the original code. - - We know that compare_from_rtx returns either a CONST_INT or - a new comparison code, so it is safe to just extract the - code from RESULT. */ - code = GET_CODE (result); - label = gen_label_rtx (); - gcc_assert (bcc_gen_fctn[(int) code]); - - emit_jump_insn ((*bcc_gen_fctn[(int) code]) (label)); + do_compare_rtx_and_jump (op0, op1, code, unsignedp, operand_mode, NULL_RTX, + NULL_RTX, label); + emit_move_insn (target, invert ? const1_rtx : const0_rtx); emit_label (label); |