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b1c880f0de
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@4342 311d38ba-8fff-0310-9ca6-ca027cbcb966
33 lines
982 B
Diff
33 lines
982 B
Diff
--- gcc-3.4.0/gcc/flow.c.reverse-compare 2004-02-27 22:39:19.000000000 -0500
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+++ gcc-3.4.0/gcc/flow.c 2004-04-24 16:36:00.000000000 -0400
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@@ -1843,6 +1843,7 @@
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regset_head diff_head;
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regset diff = INITIALIZE_REG_SET (diff_head);
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basic_block bb_true, bb_false;
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+ enum rtx_code reversed_code;
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int i;
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/* Identify the successor blocks. */
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@@ -1889,8 +1890,11 @@
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if (GET_CODE (reg) == REG
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&& XEXP (cond_true, 1) == const0_rtx)
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{
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- rtx cond_false
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- = gen_rtx_fmt_ee (reverse_condition (GET_CODE (cond_true)),
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+ rtx cond_false;
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+ reversed_code = reverse_condition (GET_CODE (cond_true));
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+ if (reversed_code == UNKNOWN)
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+ goto skip;
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+ cond_false = gen_rtx_fmt_ee (reversed_code,
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GET_MODE (cond_true), XEXP (cond_true, 0),
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XEXP (cond_true, 1));
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if (GET_CODE (XEXP (set_src, 1)) == PC)
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@@ -1925,6 +1929,7 @@
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}
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}
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+ skip:
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FREE_REG_SET (diff);
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}
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#endif
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