0001-Use-C11-alignas-instead-of-pg_attribute_aligned.patch
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Filename: 0001-Use-C11-alignas-instead-of-pg_attribute_aligned.patch
Type: text/plain
Part: 0
Message:
Re: vectorized CRC on ARM64
Patch
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API reference →
Format: format-patch
Series: patch 0001
Subject: Use C11 alignas instead of pg_attribute_aligned
| File | + | − |
|---|---|---|
| src/port/pg_crc32c_armv8.c | 3 | 3 |
From de2c64985662e0a788da5a4ed9f4e7358ed544f4 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Mon, 29 Jun 2026 10:46:51 +0200
Subject: [PATCH] Use C11 alignas instead of pg_attribute_aligned
Replace pg_attribute_aligned with C11 alignas, for consistency with
current conventions.
Discussion: https://postgr.es/m/CANWCAZaKhE+RD5KKouUFoxx1EbUNrNhcduM1VQ=DkSDadNEFng@mail.gmail.com
---
src/port/pg_crc32c_armv8.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/port/pg_crc32c_armv8.c b/src/port/pg_crc32c_armv8.c
index 8cf838a510a..8fad2f83c24 100644
--- a/src/port/pg_crc32c_armv8.c
+++ b/src/port/pg_crc32c_armv8.c
@@ -166,7 +166,7 @@ pg_comp_crc32c_pmull(pg_crc32c crc, const void *data, size_t len)
uint64x2_t k;
{
- static const uint64_t pg_attribute_aligned(16) k_[] = {0x740eef02, 0x9e4addf8};
+ static const alignas(16) uint64_t k_[] = {0x740eef02, 0x9e4addf8};
k = vld1q_u64(k_);
}
@@ -192,14 +192,14 @@ pg_comp_crc32c_pmull(pg_crc32c crc, const void *data, size_t len)
/* Reduce x0 ... x3 to just x0. */
{
- static const uint64_t pg_attribute_aligned(16) k_[] = {0xf20c0dfe, 0x493c7d27};
+ static const alignas(16) uint64_t k_[] = {0xf20c0dfe, 0x493c7d27};
k = vld1q_u64(k_);
}
y0 = clmul_lo_e(x0, k, x1), x0 = clmul_hi_e(x0, k, y0);
y2 = clmul_lo_e(x2, k, x3), x2 = clmul_hi_e(x2, k, y2);
{
- static const uint64_t pg_attribute_aligned(16) k_[] = {0x3da6d0cb, 0xba4fc28e};
+ static const alignas(16) uint64_t k_[] = {0x3da6d0cb, 0xba4fc28e};
k = vld1q_u64(k_);
}
--
2.54.0