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make heur4 a bit more deterministic
author
Matthias Braun
<matthias.braun@kit.edu>
Wed, 27 Jun 2012 10:45:04 +0000
(12:45 +0200)
committer
Matthias Braun
<matthias.braun@kit.edu>
Wed, 27 Jun 2012 11:01:24 +0000
(13:01 +0200)
ir/be/becopyheur4.c
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diff --git
a/ir/be/becopyheur4.c
b/ir/be/becopyheur4.c
index
ad5ca80
..
6e228ff
100644
(file)
--- a/
ir/be/becopyheur4.c
+++ b/
ir/be/becopyheur4.c
@@
-312,7
+312,13
@@
static __attribute__((unused)) int cmp_col_cost_lt(const void *a, const void *b)
const col_cost_t *c1 = (const col_cost_t*)a;
const col_cost_t *c2 = (const col_cost_t*)b;
real_t diff = c1->cost - c2->cost;
const col_cost_t *c1 = (const col_cost_t*)a;
const col_cost_t *c2 = (const col_cost_t*)b;
real_t diff = c1->cost - c2->cost;
- return (diff > 0) - (diff < 0);
+
+ if (diff < 0)
+ return 1;
+ if (diff > 0)
+ return -1;
+
+ return QSORT_CMP(c1->col, c2->col);
}
static int cmp_col_cost_gt(const void *a, const void *b)
}
static int cmp_col_cost_gt(const void *a, const void *b)
@@
-321,10
+327,12
@@
static int cmp_col_cost_gt(const void *a, const void *b)
const col_cost_t *c2 = (const col_cost_t*)b;
real_t diff = c2->cost - c1->cost;
const col_cost_t *c2 = (const col_cost_t*)b;
real_t diff = c2->cost - c1->cost;
- if (diff == 0.0)
- return QSORT_CMP(c1->col, c2->col);
+ if (diff > 0)
+ return 1;
+ if (diff < 0)
+ return -1;
- return
(diff > 0) - (diff < 0
);
+ return
QSORT_CMP(c1->col, c2->col
);
}
/**
}
/**