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PR middle-end/89797 - ICE on a vector_size (1LU << 33) int variable

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gcc/ChangeLog:
	* tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
	* config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
	assuming type size fits in SHWI.

From-SVN: r270447
This commit is contained in:
Martin Sebor 2019-04-18 20:26:07 +00:00 • committed by Martin Sebor
parent f6e809c849
commit 6c76c0e408
3 changed files with 11 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2019-04-18 Martin Sebor <msebor@redhat.com>
PR middle-end/89797
* tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
* config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
assuming type size fits in SHWI.
2019-04-18 Jan Hubicka <hubicka@ucw.cz>
PR ipa/85051

3
gcc/config/aarch64/aarch64.c
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@ -14924,8 +14924,7 @@ aarch64_simd_vector_alignment (const_tree type)
be set for non-predicate vectors of booleans. Modes are the most
direct way we have of identifying real SVE predicate types. */
return GET_MODE_CLASS (TYPE_MODE (type)) == MODE_VECTOR_BOOL ? 16 : 128;
HOST_WIDE_INT align = tree_to_shwi (TYPE_SIZE (type));
return MIN (align, 128);
return wi::umin (wi::to_wide (TYPE_SIZE (type)), 128).to_uhwi ();
}
/* Implement target hook TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT. */

6
gcc/tree.h
View file

@ -3735,13 +3735,13 @@ TYPE_VECTOR_SUBPARTS (const_tree node)
if (NUM_POLY_INT_COEFFS == 2)
{
poly_uint64 res = 0;
res.coeffs[0] = 1 << (precision & 0xff);
res.coeffs[0] = HOST_WIDE_INT_1U << (precision & 0xff);
if (precision & 0x100)
res.coeffs[1] = 1 << (precision & 0xff);
res.coeffs[1] = HOST_WIDE_INT_1U << (precision & 0xff);
return res;
}
else
return (unsigned HOST_WIDE_INT)1 << precision;
return HOST_WIDE_INT_1U << precision;
}
/* Set the number of elements in VECTOR_TYPE NODE to SUBPARTS, which must