diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 16e1b08..57c87fa 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -3765,10 +3765,28 @@ gen_add2_insn (x, y) } int -have_add2_insn (mode) - enum machine_mode mode; +have_add2_insn (x, y) + rtx x, y; { - return add_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing; + int icode; + + if (GET_MODE (x) == VOIDmode) + abort (); + + icode = (int) add_optab->handlers[(int) GET_MODE (x)].insn_code; + + if (icode == CODE_FOR_nothing) + return 0; + + if (! ((*insn_data[icode].operand[0].predicate) + (x, insn_data[icode].operand[0].mode)) + || ! ((*insn_data[icode].operand[1].predicate) + (x, insn_data[icode].operand[1].mode)) + || ! ((*insn_data[icode].operand[2].predicate) + (y, insn_data[icode].operand[2].mode))) + return 0; + + return 1; } /* Generate and return an insn body to subtract Y from X. */ @@ -3791,10 +3809,28 @@ gen_sub2_insn (x, y) } int -have_sub2_insn (mode) - enum machine_mode mode; +have_sub2_insn (x, y) + rtx x, y; { - return sub_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing; + int icode; + + if (GET_MODE (x) == VOIDmode) + abort (); + + icode = (int) sub_optab->handlers[(int) GET_MODE (x)].insn_code; + + if (icode == CODE_FOR_nothing) + return 0; + + if (! ((*insn_data[icode].operand[0].predicate) + (x, insn_data[icode].operand[0].mode)) + || ! ((*insn_data[icode].operand[1].predicate) + (x, insn_data[icode].operand[1].mode)) + || ! ((*insn_data[icode].operand[2].predicate) + (y, insn_data[icode].operand[2].mode))) + return 0; + + return 1; } /* Generate the body of an instruction to copy Y into X. |