55 lines
1.2 KiB
Text
55 lines
1.2 KiB
Text
$NetBSD: patch-af,v 1.1.1.1 2000/10/15 08:38:23 jlam Exp $
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--- movement.c.orig Sun May 17 19:09:21 1998
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+++ movement.c
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@@ -258,33 +258,38 @@
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}
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+ /*
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+ * There's some weird gcc codegen bug here when going NORTH_WEST,
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+ * even with no optimization, but when it's re-written to go
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+ * SOUTH_EAST, everything's fine. Ugh!
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+ */
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for (i=0;i<8;i++) {
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- dir = NORTH_WEST;
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- p1 = A1 + i*EAST;
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- p2 = A1 + i*NORTH;
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+ dir = SOUTH_EAST;
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+ p1 = A1 + i*NORTH;
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+ p2 = A1 + i*EAST;
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mask = 0;
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- for (s1=p1; s1>=p2; s1+=dir)
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+ for (s1=p1; s1<p2; s1+=dir)
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mask |= ((uint64)1<<s1);
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- for (s1=p1;s1>=p2;s1+=dir)
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- for (s2=p1;s2>=p2;s2+=dir)
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+ for (s1=p1;s1<p2;s1+=dir)
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+ for (s2=p1;s2<p2;s2+=dir)
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if (s1 != s2) {
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same_line_mask[s1][s2] = mask;
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}
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}
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for (i=1;i<8;i++) {
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- dir = NORTH_WEST;
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- p1 = H1 + i*NORTH;
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- p2 = A8 + i*EAST;
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+ dir = SOUTH_EAST;
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+ p1 = A8 + i*EAST;
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+ p2 = H1 + i*NORTH;
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mask = 0;
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- for (s1=p1; s1>=p2; s1+=dir)
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+ for (s1=p1; s1<p2; s1+=dir)
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mask |= ((uint64)1<<s1);
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- for (s1=p1;s1>=p2;s1+=dir)
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- for (s2=p1;s2>=p2;s2+=dir)
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+ for (s1=p1;s1<p2;s1+=dir)
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+ for (s2=p1;s2<p2;s2+=dir)
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if (s1 != s2) {
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same_line_mask[s1][s2] = mask;
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}
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