diff options
| author | toon <toon@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-09 20:21:48 +0000 |
|---|---|---|
| committer | toon <toon@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-09 20:21:48 +0000 |
| commit | c299d9c8173940c984442c30a1601fc2381c1121 (patch) | |
| tree | f132186c449f146f89d29ae60d9f337ae0f18f38 /gcc/optabs.c | |
| parent | 6c8740519f939dc8724c7d146e0463824ab465bb (diff) | |
| download | gcc-c299d9c8173940c984442c30a1601fc2381c1121.tar.gz | |
2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
* expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
* optabs.c (have_add2_insn): Check whether the add insn chosen
really accepts the operands. (have_sub2_insn): Ditto for sub insn.
* reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43874 138bc75d-0d04-0410-961f-82ee72b054a4
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 16e1b08d87c..57c87fad16d 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. |