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| author | Vladimir Makarov <vmakarov@redhat.com> | 2018-01-30 20:28:59 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2018-01-30 20:28:59 +0000 |
| commit | 634c3ff01847a2b0918d13d85205779075b86c31 (patch) | |
| tree | 80ec5d75979b1179464142a01e1cd8a450c8d4aa /gcc | |
| parent | c5370327b043595a13cda2237cf2007b690440ef (diff) | |
| download | gcc-634c3ff01847a2b0918d13d85205779075b86c31.zip gcc-634c3ff01847a2b0918d13d85205779075b86c31.tar.gz gcc-634c3ff01847a2b0918d13d85205779075b86c31.tar.bz2 | |
re PR target/84112 (powerpc64le ICE in LRA on openjdk)
2018-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR target/84112
* lra-constraints.c (curr_insn_transform): Process AND in the
address.
2018-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR target/84112
* pr84112.c: New.
From-SVN: r257204
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/lra-constraints.c | 12 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr84112.c | 33 |
4 files changed, 55 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e4c68ff..56a1649 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-01-30 Vladimir Makarov <vmakarov@redhat.com> + + PR target/84112 + * lra-constraints.c (curr_insn_transform): Process AND in the + address. + 2018-01-30 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/83986 diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index c244312..4f5474e 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -4216,7 +4216,17 @@ curr_insn_transform (bool check_only_p) GET_MODE_SIZE (GET_MODE (op))); else if (get_reload_reg (OP_IN, Pmode, *loc, rclass, FALSE, "offsetable address", &new_reg)) - lra_emit_move (new_reg, *loc); + { + rtx addr = *loc; + enum rtx_code code = GET_CODE (addr); + + if (code == AND && CONST_INT_P (XEXP (addr, 1))) + /* (and ... (const_int -X)) is used to align to X bytes. */ + addr = XEXP (*loc, 0); + lra_emit_move (new_reg, addr); + if (addr != *loc) + emit_move_insn (new_reg, gen_rtx_AND (GET_MODE (new_reg), new_reg, XEXP (*loc, 1))); + } before = get_insns (); end_sequence (); *loc = new_reg; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8a8b716..9eae462 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-01-30 Vladimir Makarov <vmakarov@redhat.com> + + PR target/84112 + * pr84112.c: New. + 2018-01-30 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/83986 diff --git a/gcc/testsuite/gcc.target/powerpc/pr84112.c b/gcc/testsuite/gcc.target/powerpc/pr84112.c new file mode 100644 index 0000000..530ad65 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr84112.c @@ -0,0 +1,33 @@ +/* { dg-do compile { target powerpc*-*-* } }*/ +/* { dg-options "-mcpu=power8 -O3 -fstack-protector-strong -fpic" } */ + +char *b; +int c, d, e, f; + +void +foo (char *h, int k, int l, int m, int j, int q) +{ + char *i = b; + int n = d; + int s = e; + while (c) + { + for (; j <= 0; j += 12) + { + i[j] = n & k - h[j] >> 31 | q & ~(k - h[j] >> 31); + i[j + 1] = n & l - h[j + 1] >> 31 | q & ~(l - h[j + 1] >> 31); + i[j + 2] = n & m - h[j + 2] >> 31 | s & ~(m - h[j + 2] >> 31); + i[j + 3] = n & k - h[j + 3] >> 31 | q & ~(k - h[j + 3] >> 31); + i[j + 4] = n & l - h[j + 4] >> 31 | q & ~(l - h[j + 4] >> 31); + i[j + 5] = n & m - h[j + 5] >> 31 | s & ~(m - h[j + 5] >> 31); + i[j + 6] = n & k - h[j + 6] >> 31 | q & ~(k - h[j + 6] >> 31); + i[j + 7] = n & l - h[j + 7] >> 31 | q & ~(l - h[j + 7] >> 31); + i[j + 8] = n & m - h[j + 8] >> 31 | s & ~(m - h[j + 8] >> 31); + i[j + 9] = n & k - h[j + 9] >> 31 | q & ~(k - h[j + 9] >> 31); + i[j + 10] = n & l - h[j + 10] >> 31 | q & ~(l - h[j + 10] >> 31); + i[j + 11] = n & m - h[j + 11] >> 31 | s & ~(m - h[j + 11] >> 31); + } + while (j < f) + ; + } +} |