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builtins.c (expand_builtin_expect_jump): Fix mistake in my last patch.

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* builtins.c (expand_builtin_expect_jump): Fix mistake in my
	last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.

From-SVN: r76064
This commit is contained in:
Roger Sayle 2004-01-17 23:49:44 +00:00 • committed by Roger Sayle
parent dd3adcf8a1
commit bef5105b4e
2 changed files with 11 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-01-17 Roger Sayle <roger@eyesopen.com>
* builtins.c (expand_builtin_expect_jump): Fix mistake in my
last patch. Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.
2004-01-17 Daniel Jacobowitz <drow@mvista.com>
* rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)

12
gcc/builtins.c
View file

@ -4492,16 +4492,16 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label)
/* First check if we recognize any of the labels. */
if (GET_CODE (then_dest) == LABEL_REF
&& XEXP (then_dest, 1) == if_true_label)
&& XEXP (then_dest, 0) == if_true_label)
taken = 1;
else if (GET_CODE (then_dest) == LABEL_REF
&& XEXP (then_dest, 1) == if_false_label)
&& XEXP (then_dest, 0) == if_false_label)
taken = 0;
else if (GET_CODE (else_dest) == LABEL_REF
&& XEXP (else_dest, 1) == if_false_label)
&& XEXP (else_dest, 0) == if_false_label)
taken = 1;
else if (GET_CODE (else_dest) == LABEL_REF
&& XEXP (else_dest, 1) == if_true_label)
&& XEXP (else_dest, 0) == if_true_label)
taken = 0;
/* Otherwise check where we drop through. */
else if (else_dest == pc_rtx)
@ -4511,7 +4511,7 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label)
if (next && GET_CODE (next) == JUMP_INSN
&& any_uncondjump_p (next))
next = XEXP (SET_SRC (pc_set (next)), 1);
next = XEXP (SET_SRC (pc_set (next)), 0);
/* NEXT is either a CODE_LABEL, NULL_RTX or something
else that can't possibly match either target label. */
@ -4527,7 +4527,7 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label)
if (next && GET_CODE (next) == JUMP_INSN
&& any_uncondjump_p (next))
next = XEXP (SET_SRC (pc_set (next)), 1);
next = XEXP (SET_SRC (pc_set (next)), 0);
if (next == if_false_label)
taken = 0;