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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-09-07 05:49:18 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-09-07 05:49:18 +0000 |
| commit | 7014838cdd847f5d22f8b4bff0285ad622b707b5 (patch) | |
| tree | f1a67b6ea75a7f0da3f06e0a1c60b213f4403168 /gcc/genconfig.c | |
| parent | 713829e97b2cabe9369424002f6efb23a7c86aba (diff) | |
| download | gcc-7014838cdd847f5d22f8b4bff0285ad622b707b5.tar.gz | |
Merge in gcc2-ss-010999
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29150 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/genconfig.c')
| -rw-r--r-- | gcc/genconfig.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/genconfig.c b/gcc/genconfig.c index 4001774eba3..a40b6b3f05a 100644 --- a/gcc/genconfig.c +++ b/gcc/genconfig.c @@ -42,6 +42,7 @@ static int max_clobbers_per_insn; static int register_constraint_flag; static int have_cc0_flag; static int have_cmove_flag; +static int have_cond_arith_flag; static int have_lo_sum_flag; static int have_peephole_flag; static int have_peephole2_flag; @@ -135,12 +136,21 @@ walk_insn_part (part, recog_p, non_pc_set_src) two arms of the IF_THEN_ELSE are both MATCH_OPERAND. Otherwise, we have some specific IF_THEN_ELSE construct (like the doz instruction on the RS/6000) that can't be used in the general - context we want it for. */ + context we want it for. If the first operand is an arithmetic + operation and the second is a MATCH_OPERNAND, show we have + conditional arithmetic. */ if (recog_p && non_pc_set_src && GET_CODE (XEXP (part, 1)) == MATCH_OPERAND && GET_CODE (XEXP (part, 2)) == MATCH_OPERAND) have_cmove_flag = 1; + else if (recog_p && non_pc_set_src + && (GET_RTX_CLASS (GET_CODE (XEXP (part, 1))) == '1' + || GET_RTX_CLASS (GET_CODE (XEXP (part, 1))) == '2' + || GET_RTX_CLASS (GET_CODE (XEXP (part, 1))) == 'c') + && GET_CODE (XEXP (XEXP (part, 1), 0)) == MATCH_OPERAND + && GET_CODE (XEXP (part, 2)) == MATCH_OPERAND) + have_cond_arith_flag = 1; break; case REG: case CONST_INT: case SYMBOL_REF: @@ -345,6 +355,9 @@ from the machine description file `md'. */\n\n"); if (have_cmove_flag) printf ("#define HAVE_conditional_move\n"); + if (have_cond_arith_flag) + printf ("#define HAVE_conditional_arithmetic\n"); + if (have_lo_sum_flag) printf ("#define HAVE_lo_sum\n"); |