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| author | Richard Henderson <rth@cygnus.com> | 2000-04-07 02:24:45 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-04-07 02:24:45 -0700 |
| commit | 0c99ec5c426117d4cd53e64e9ad4b22f3a903f36 (patch) | |
| tree | a36fbb677db9b9d77dd79d4991fb6f4bd8349ebc /gcc/genconfig.c | |
| parent | 4c85a96d6e0a24baeeb64a13e1d522b5ee04d76f (diff) | |
| download | gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.zip gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.tar.gz gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.tar.bz2 | |
rtl.def (COND_EXEC): New.
* rtl.def (COND_EXEC): New.
* rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
* tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
* genconfig.c (have_cond_arith_flag): Remove.
(have_cond_exec_flag): New.
(walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
(main): Print HAVE_conditional_execution.
* haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
(sched_analyze_insn, print_pattern): Likewise.
* reload.c (find_equiv_reg): Likewise.
* rtlanal.c (reg_referenced_p): Likewise.
(note_stores, dead_or_set_regno_p): Likewise.
(reg_overlap_mentioned_p): Rewrite to use a switch.
From-SVN: r32997
Diffstat (limited to 'gcc/genconfig.c')
| -rw-r--r-- | gcc/genconfig.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/gcc/genconfig.c b/gcc/genconfig.c index 8c8ee9d..65c8701 100644 --- a/gcc/genconfig.c +++ b/gcc/genconfig.c @@ -39,7 +39,7 @@ static int max_dup_operands; /* Largest number of match_dup in any insn. */ static int max_clobbers_per_insn; static int have_cc0_flag; static int have_cmove_flag; -static int have_cond_arith_flag; +static int have_cond_exec_flag; static int have_lo_sum_flag; static int have_peephole_flag; static int have_peephole2_flag; @@ -131,21 +131,17 @@ 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. If the first operand is an arithmetic - operation and the second is a MATCH_OPERNAND, show we have - conditional arithmetic. */ + context we want it for. */ 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 COND_EXEC: + if (recog_p) + have_cond_exec_flag = 1; break; case REG: case CONST_INT: case SYMBOL_REF: @@ -341,8 +337,9 @@ from the machine description file `md'. */\n\n"); /* This is conditionally defined, in case the user writes code which emits more splits than we can readily see (and knows s/he does it). */ - printf ("#ifndef MAX_INSNS_PER_SPLIT\n#define MAX_INSNS_PER_SPLIT %d\n#endif\n", - max_insns_per_split); + printf ("#ifndef MAX_INSNS_PER_SPLIT\n"); + printf ("#define MAX_INSNS_PER_SPLIT %d\n", max_insns_per_split); + printf ("#endif\n"); if (have_cc0_flag) printf ("#define HAVE_cc0\n"); @@ -350,11 +347,8 @@ from the machine description file `md'. */\n\n"); if (have_cmove_flag) printf ("#define HAVE_conditional_move\n"); -#if 0 - /* Disabled. See the discussion in jump.c. */ - if (have_cond_arith_flag) - printf ("#define HAVE_conditional_arithmetic\n"); -#endif + if (have_cond_exec_flag) + printf ("#define HAVE_conditional_execution\n"); if (have_lo_sum_flag) printf ("#define HAVE_lo_sum\n"); |