35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
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2021-04-28 Jakub Jelinek <jakub@redhat.com>
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PR target/100302
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* config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
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absu_hwi instead of abs_hwi.
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* gcc.target/aarch64/sve/pr100302.c: New test.
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--- gcc/config/aarch64/aarch64.c.jj 2021-04-28 10:43:06.313337362 +0200
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+++ gcc/config/aarch64/aarch64.c 2021-04-28 11:01:10.567243000 +0200
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@@ -4736,7 +4736,7 @@ aarch64_mov128_immediate (rtx imm)
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static unsigned int
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aarch64_add_offset_1_temporaries (HOST_WIDE_INT offset)
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{
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- return abs_hwi (offset) < 0x1000000 ? 0 : 1;
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+ return absu_hwi (offset) < 0x1000000 ? 0 : 1;
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}
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/* A subroutine of aarch64_add_offset. Set DEST to SRC + OFFSET for
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--- gcc/testsuite/gcc.target/aarch64/sve/pr100302.c.jj 2021-04-28 10:49:19.337176274 +0200
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+++ gcc/testsuite/gcc.target/aarch64/sve/pr100302.c 2021-04-28 10:42:48.342537828 +0200
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@@ -0,0 +1,12 @@
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+/* PR target/100302 */
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+/* { dg-do compile } */
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+/* { dg-options "-march=armv8.2-a+sve -O1 -ftree-loop-vectorize -fno-tree-scev-cprop --param vect-partial-vector-usage=0 -fvect-cost-model=unlimited" } */
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+
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+long int x;
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+
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+void
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+foo (void)
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+{
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+ for (x = 0; x >= 0; ++x)
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+ ;
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+}
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