tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p before declaring inequality.
2007-07-03 Daniel Berlin <dberlin@dberlin.org> * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p before declaring inequality. From-SVN: r126252
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2007-07-03 Daniel Berlin <dberlin@dberlin.org>
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* tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
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before declaring inequality.
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2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
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* combine.c (recog_for_combine): Log the success or failure of
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@ -1,3 +1,7 @@
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2007-07-02 Daniel Berlin <dberlin@dberlin.org>
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* gcc.c-torture/compile/ssa-pre-1.c: New test.
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2007-07-03 Tobias Burnus <burnus@net-b.de>
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PR fortran/20888
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@ -0,0 +1,19 @@
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void washQtoM3(double m[9], double q[4]);
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double sqrt(double);
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int f(int samp)
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{
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double clp[2], xyz[3], q[4], len;
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double mRF[9];
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int xi;
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for (xi=0; xi<samp; xi++)
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{
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q[0] = 1.0;
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q[1] = ( ((double)(1)-(-1))*((double)((float)xi)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
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q[2] = ( ((double)(1)-(-1))*((double)((float)0)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
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q[3] = ( ((double)(1)-(-1))*((double)((float)0)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
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len = (sqrt((((q))[0]*((q))[0] + ((q))[1]*((q))[1] + ((q))[2]*((q))[2] + ((q))[3]*((q))[3])));
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((q)[0] = (q)[0]*1.0/len, (q)[1] = (q)[1]*1.0/len, (q)[2] = (q)[2]*1.0/len, (q)[3] = (q)[3]*1.0/len);
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washQtoM3(mRF, q);
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}
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return 0;
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}
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@ -1014,6 +1014,7 @@ print_scc (FILE *out, VEC (tree, heap) *scc)
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static inline bool
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set_ssa_val_to (tree from, tree to)
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{
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tree currval;
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gcc_assert (to != NULL);
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/* Make sure we don't create chains of copies, so that we get the
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@ -1037,7 +1038,9 @@ set_ssa_val_to (tree from, tree to)
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fprintf (dump_file, "\n");
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}
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if (SSA_VAL (from) != to)
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currval = SSA_VAL (from);
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if (currval != to && !operand_equal_p (currval, to, OEP_PURE_SAME))
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{
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SSA_VAL (from) = to;
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return true;
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