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(walk_insn_part, case IF_THEN_ELSE): Refine when HAVE_CMOVE_FLAG gets set.

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From-SVN: r2185
This commit is contained in:
Richard Kenner 1992-09-19 15:55:22 -04:00
parent 9571f07974
commit 9e87cc8929
1 changed files with 9 additions and 1 deletions
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10
gcc/genconfig.c
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@ -126,7 +126,15 @@ walk_insn_part (part, recog_p, non_pc_set_src)
return; return;
case IF_THEN_ELSE: case IF_THEN_ELSE:
if (recog_p && non_pc_set_src) /* Only consider this machine as having a conditional move if the
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 (recog_p && non_pc_set_src
&& GET_CODE (XEXP (part, 1)) == MATCH_OPERAND
&& GET_CODE (XEXP (part, 2)) == MATCH_OPERAND)
have_cmove_flag = 1; have_cmove_flag = 1;
break; break;