36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
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From b85fb9eca6a6a7612ae6451995f9908bfbbba72f Mon Sep 17 00:00:00 2001
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From: swcompiler <lc@wxiat.com>
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Date: Mon, 25 Nov 2024 16:56:12 +0800
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Subject: [PATCH 14/16] Sw64 Port: add lex builtin support in libcpp
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---
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libcpp/lex.cc | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/libcpp/lex.cc b/libcpp/lex.cc
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index fb1dfabb7..bc2541ef9 100644
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--- a/libcpp/lex.cc
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+++ b/libcpp/lex.cc
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@@ -168,6 +168,8 @@ acc_char_cmp (word_type val, word_type c)
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/* We can get exact results using a compare-bytes instruction.
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Get (val == c) via (0 >= (val ^ c)). */
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return __builtin_alpha_cmpbge (0, val ^ c);
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+#elif defined(__GNUC__) && defined(__sw_64__)
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+ return __builtin_sw_64_cmpbge (0, val ^ c);
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#else
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word_type magic = 0x7efefefeU;
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if (sizeof(word_type) == 8)
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@@ -186,7 +188,8 @@ static inline int
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acc_char_index (word_type cmp ATTRIBUTE_UNUSED,
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word_type val ATTRIBUTE_UNUSED)
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{
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-#if defined(__GNUC__) && defined(__alpha__) && !WORDS_BIGENDIAN
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+#if defined(__GNUC__) && (defined(__alpha__) || defined(__sw_64__)) \
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+ && !WORDS_BIGENDIAN
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/* The cmpbge instruction sets *bits* of the result corresponding to
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matches in the bytes with no false positives. */
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return __builtin_ctzl (cmp);
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--
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2.25.1
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