re PR rtl-optimization/80903 (ICE: internal consistency failure (error: invalid rtl sharing found in the insn))
PR rtl-optimization/80903 * loop-doloop.c (add_test): Unshare sequence. * gcc.dg/pr80903.c: New test. From-SVN: r248817
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@ -1,3 +1,8 @@
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2017-06-02 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/80903
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* loop-doloop.c (add_test): Unshare sequence.
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2017-05-31 Martin Jambor <mjambor@suse.cz>
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Backport from mainline
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@ -367,6 +367,7 @@ add_test (rtx cond, edge *e, basic_block dest)
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}
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seq = get_insns ();
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unshare_all_rtl_in_chain (seq);
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end_sequence ();
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/* There always is at least the jump insn in the sequence. */
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@ -1,5 +1,8 @@
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2017-06-02 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/80903
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* gcc.dg/pr80903.c: New test.
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PR fortran/80918
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* gfortran.dg/gomp/pr80918.f90: New test.
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@ -0,0 +1,34 @@
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/* PR rtl-optimization/80903 */
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/* { dg-do compile } */
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/* { dg-options "-O3 -funroll-loops" } */
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short int a;
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void
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foo (int x, short int y, short int z)
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{
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if (y != 0)
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{
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const short int b = 37;
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y = 0;
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while (y < b)
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{
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while (y < b)
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{
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lab:
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++y;
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}
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for (y = 0; y < b - 1; ++y)
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;
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if (z != 0)
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{
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--a;
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y *= a;
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}
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z = x;
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}
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x = 0;
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}
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goto lab;
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}
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