8aff50413a
PR-URL: https://github.com/nodejs/node/pull/49033 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From c43ba7a55f091c0dcbfd8d89f7a5121269ce1b81 Mon Sep 17 00:00:00 2001
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From: Ho Cheung <uioptt24@gmail.com>
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Date: Thu, 27 Jul 2023 09:47:52 +0800
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Subject: [PATCH] [zlib] Perform CPU feature detection for ARM inside adler32()
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Perform CPU feature detection for ARM within adler32() to have the same
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behavior as x86.
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---
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third_party/zlib/adler32.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/third_party/zlib/adler32.c b/third_party/zlib/adler32.c
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index 81c584f68e233..99a294496f7eb 100644
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--- a/third_party/zlib/adler32.c
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+++ b/third_party/zlib/adler32.c
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@@ -90,9 +90,9 @@ uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) {
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return adler | (sum2 << 16);
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}
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-#if defined(ADLER32_SIMD_SSSE3)
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+#if defined(ADLER32_SIMD_SSSE3) || defined(ADLER32_SIMD_NEON)
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/*
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- * Use SSSE3 to compute the adler32. Since this routine can be
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+ * Use SIMD to compute the adler32. Since this function can be
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* freely used, check CPU features here. zlib convention is to
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* call adler32(0, NULL, 0), before making calls to adler32().
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* So this is a good early (and infrequent) place to cache CPU
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--
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2.41.0.windows.3
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