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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /security/nss/lib/freebl/verified/lib_intrinsics.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--security/nss/lib/freebl/verified/lib_intrinsics.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/lib_intrinsics.h b/security/nss/lib/freebl/verified/lib_intrinsics.h
new file mode 100644
index 0000000000..1206367d77
--- /dev/null
+++ b/security/nss/lib/freebl/verified/lib_intrinsics.h
@@ -0,0 +1,93 @@
+#pragma once
+
+#include <sys/types.h>
+
+#if defined(__has_include)
+#if __has_include("config.h")
+#include "config.h"
+#endif
+#endif
+
+/*
+ GCC versions prior to 5.5 incorrectly optimize certain intrinsics.
+
+ See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81300
+
+ CLANG versions prior to 5 crash on certain intrinsics.
+
+ See https://bugs.llvm.org/show_bug.cgi?id=24943
+*/
+
+#if !defined(HACL_CAN_COMPILE_INTRINSICS) || \
+ (defined(__clang__) && (__clang_major__ < 5)) || \
+ (defined(__GNUC__) && !defined(__clang__) && \
+ (__GNUC__ < 5 || (__GNUC__ == 5 && (__GNUC_MINOR__ < 5))))
+
+#include "Hacl_IntTypes_Intrinsics.h"
+
+#if defined(HACL_CAN_COMPILE_UINT128)
+
+#include "Hacl_IntTypes_Intrinsics_128.h"
+
+#define Lib_IntTypes_Intrinsics_add_carry_u64(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_128_add_carry_u64(x1, x2, x3, x4))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u64(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_128_sub_borrow_u64(x1, x2, x3, x4))
+
+#else
+
+#define Lib_IntTypes_Intrinsics_add_carry_u64(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_add_carry_u64(x1, x2, x3, x4))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u64(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_sub_borrow_u64(x1, x2, x3, x4))
+
+#endif // defined(HACL_CAN_COMPILE_UINT128)
+
+#define Lib_IntTypes_Intrinsics_add_carry_u32(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_add_carry_u32(x1, x2, x3, x4))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u32(x1, x2, x3, x4) \
+ (Hacl_IntTypes_Intrinsics_sub_borrow_u32(x1, x2, x3, x4))
+
+#else // !defined(HACL_CAN_COMPILE_INTRINSICS)
+
+#if defined(_MSC_VER)
+#include <immintrin.h>
+#else
+#include <x86intrin.h>
+#endif
+
+#define Lib_IntTypes_Intrinsics_add_carry_u32(x1, x2, x3, x4) \
+ (_addcarry_u32(x1, x2, x3, (unsigned int *)x4))
+
+#define Lib_IntTypes_Intrinsics_add_carry_u64(x1, x2, x3, x4) \
+ (_addcarry_u64(x1, x2, x3, (long long unsigned int *)x4))
+
+/*
+ GCC versions prior to 7.2 pass arguments to _subborrow_u{32,64}
+ in an incorrect order.
+
+ See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81294
+*/
+#if defined(__GNUC__) && !defined(__clang__) && \
+ (__GNUC__ < 7 || (__GNUC__ == 7 && (__GNUC_MINOR__ < 2)))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u32(x1, x2, x3, x4) \
+ (_subborrow_u32(x1, x3, x2, (unsigned int *)x4))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u64(x1, x2, x3, x4) \
+ (_subborrow_u64(x1, x3, x2, (long long unsigned int *)x4))
+
+#else
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u32(x1, x2, x3, x4) \
+ (_subborrow_u32(x1, x2, x3, (unsigned int *)x4))
+
+#define Lib_IntTypes_Intrinsics_sub_borrow_u64(x1, x2, x3, x4) \
+ (_subborrow_u64(x1, x2, x3, (long long unsigned int *)x4))
+
+#endif // GCC < 7.2
+
+#endif // !HACL_CAN_COMPILE_INTRINSICS