Richard Biener
5d74e749bc
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gcc33?expand=0&rev=3
18 lines
689 B
Diff
18 lines
689 B
Diff
See http://gcc.gnu.org/ml/gcc-patches/2004-09/msg01240.html, this causes
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us to miss sibcall opportunities with -g
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Index: gcc-3.3.3/gcc/sibcall.c
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===================================================================
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--- gcc-3.3.3.orig/gcc/sibcall.c 2009-11-20 13:04:57.000000000 +0100
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+++ gcc-3.3.3/gcc/sibcall.c 2009-11-20 13:06:50.000000000 +0100
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@@ -377,7 +377,8 @@ call_ends_block_p (insn, end)
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{
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rtx new_insn;
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/* END might be a note, so get the last nonnote insn of the block. */
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- end = next_nonnote_insn (PREV_INSN (end));
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+ if (GET_CODE (end) == NOTE)
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+ end = prev_nonnote_insn (end);
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/* If the call was the end of the block, then we're OK. */
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if (insn == end)
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