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Diffstat (limited to 'deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c')
-rw-r--r--deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c92
1 files changed, 54 insertions, 38 deletions
diff --git a/deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c b/deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c
index 08a5b58c2a..7cfd968645 100644
--- a/deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c
+++ b/deps/openssl/openssl/crypto/poly1305/poly1305_ieee754.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -20,30 +20,30 @@
* for x86_64 code. And since we are at it, just for sense of it,
* large-block performance in cycles per processed byte for *this* code
* is:
- * gcc-4.8 icc-15.0 clang-3.4(*)
+ * gcc-4.8 icc-15.0 clang-3.4(*)
*
- * Westmere 4.96 5.09 4.37
- * Sandy Bridge 4.95 4.90 4.17
- * Haswell 4.92 4.87 3.78
- * Bulldozer 4.67 4.49 4.68
- * VIA Nano 7.07 7.05 5.98
- * Silvermont 10.6 9.61 12.6
+ * Westmere 4.96 5.09 4.37
+ * Sandy Bridge 4.95 4.90 4.17
+ * Haswell 4.92 4.87 3.78
+ * Bulldozer 4.67 4.49 4.68
+ * VIA Nano 7.07 7.05 5.98
+ * Silvermont 10.6 9.61 12.6
*
- * (*) clang managed to discover parallelism and deployed SIMD;
+ * (*) clang managed to discover parallelism and deployed SIMD;
*
* And for range of other platforms with unspecified gcc versions:
*
- * Freescale e300 12.5
- * PPC74x0 10.8
- * POWER6 4.92
- * POWER7 4.50
- * POWER8 4.10
+ * Freescale e300 12.5
+ * PPC74x0 10.8
+ * POWER6 4.92
+ * POWER7 4.50
+ * POWER8 4.10
*
- * z10 11.2
- * z196+ 7.30
+ * z10 11.2
+ * z196+ 7.30
*
- * UltraSPARC III 16.0
- * SPARC T4 16.1
+ * UltraSPARC III 16.0
+ * SPARC T4 16.1
*/
#if !(defined(__GNUC__) && __GNUC__>=2)
@@ -57,33 +57,33 @@ typedef unsigned int u32;
typedef unsigned long long u64;
typedef union { double d; u64 u; } elem64;
-#define TWO(p) ((double)(1ULL<<(p)))
-#define TWO0 TWO(0)
-#define TWO32 TWO(32)
-#define TWO64 (TWO32*TWO(32))
-#define TWO96 (TWO64*TWO(32))
-#define TWO130 (TWO96*TWO(34))
+#define TWO(p) ((double)(1ULL<<(p)))
+#define TWO0 TWO(0)
+#define TWO32 TWO(32)
+#define TWO64 (TWO32*TWO(32))
+#define TWO96 (TWO64*TWO(32))
+#define TWO130 (TWO96*TWO(34))
-#define EXP(p) ((1023ULL+(p))<<52)
+#define EXP(p) ((1023ULL+(p))<<52)
#if defined(__x86_64__) || (defined(__PPC__) && defined(__LITTLE_ENDIAN__))
-# define U8TOU32(p) (*(const u32 *)(p))
-# define U32TO8(p,v) (*(u32 *)(p) = (v))
+# define U8TOU32(p) (*(const u32 *)(p))
+# define U32TO8(p,v) (*(u32 *)(p) = (v))
#elif defined(__PPC__)
-# define U8TOU32(p) ({u32 ret; asm ("lwbrx %0,0,%1":"=r"(ret):"b"(p)); ret; })
-# define U32TO8(p,v) asm ("stwbrx %0,0,%1"::"r"(v),"b"(p):"memory")
+# define U8TOU32(p) ({u32 ret; asm ("lwbrx %0,0,%1":"=r"(ret):"b"(p)); ret; })
+# define U32TO8(p,v) asm ("stwbrx %0,0,%1"::"r"(v),"b"(p):"memory")
#elif defined(__s390x__)
-# define U8TOU32(p) ({u32 ret; asm ("lrv %0,%1":"=d"(ret):"m"(*(u32 *)(p))); ret; })
-# define U32TO8(p,v) asm ("strv %1,%0":"=m"(*(u32 *)(p)):"d"(v))
+# define U8TOU32(p) ({u32 ret; asm ("lrv %0,%1":"=d"(ret):"m"(*(u32 *)(p))); ret; })
+# define U32TO8(p,v) asm ("strv %1,%0":"=m"(*(u32 *)(p)):"d"(v))
#endif
#ifndef U8TOU32
-# define U8TOU32(p) ((u32)(p)[0] | (u32)(p)[1]<<8 | \
- (u32)(p)[2]<<16 | (u32)(p)[3]<<24 )
+# define U8TOU32(p) ((u32)(p)[0] | (u32)(p)[1]<<8 | \
+ (u32)(p)[2]<<16 | (u32)(p)[3]<<24 )
#endif
#ifndef U32TO8
-# define U32TO8(p,v) ((p)[0] = (u8)(v), (p)[1] = (u8)((v)>>8), \
- (p)[2] = (u8)((v)>>16), (p)[3] = (u8)((v)>>24) )
+# define U32TO8(p,v) ((p)[0] = (u8)(v), (p)[1] = (u8)((v)>>8), \
+ (p)[2] = (u8)((v)>>16), (p)[3] = (u8)((v)>>24) )
#endif
typedef struct {
@@ -101,6 +101,8 @@ static const u64 one = 1;
static const u32 fpc = 1;
#elif defined(__sparc__)
static const u64 fsr = 1ULL<<30;
+#elif defined(__mips__)
+static const u32 fcsr = 1;
#else
#error "unrecognized platform"
#endif
@@ -147,6 +149,11 @@ int poly1305_init(void *ctx, const unsigned char key[16])
asm volatile ("stx %%fsr,%0":"=m"(fsr_orig));
asm volatile ("ldx %0,%%fsr"::"m"(fsr));
+#elif defined(__mips__)
+ u32 fcsr_orig;
+
+ asm volatile ("cfc1 %0,$31":"=r"(fcsr_orig));
+ asm volatile ("ctc1 %0,$31"::"r"(fcsr));
#endif
/* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
@@ -206,6 +213,8 @@ int poly1305_init(void *ctx, const unsigned char key[16])
asm volatile ("lfpc %0"::"m"(fpc_orig));
#elif defined(__sparc__)
asm volatile ("ldx %0,%%fsr"::"m"(fsr_orig));
+#elif defined(__mips__)
+ asm volatile ("ctc1 %0,$31"::"r"(fcsr_orig));
#endif
}
@@ -262,6 +271,11 @@ void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
asm volatile ("stx %%fsr,%0":"=m"(fsr_orig));
asm volatile ("ldx %0,%%fsr"::"m"(fsr));
+#elif defined(__mips__)
+ u32 fcsr_orig;
+
+ asm volatile ("cfc1 %0,$31":"=r"(fcsr_orig));
+ asm volatile ("ctc1 %0,$31"::"r"(fcsr));
#endif
/*
@@ -345,9 +359,9 @@ void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
#ifndef __clang__
fast_entry:
#endif
- /*
- * base 2^32 * base 2^16 = base 2^48
- */
+ /*
+ * base 2^32 * base 2^16 = base 2^48
+ */
h0lo = s3lo * x1 + s2lo * x2 + s1lo * x3 + r0lo * x0;
h1lo = r0lo * x1 + s3lo * x2 + s2lo * x3 + r1lo * x0;
h2lo = r1lo * x1 + r0lo * x2 + s3lo * x3 + r2lo * x0;
@@ -408,6 +422,8 @@ void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
asm volatile ("lfpc %0"::"m"(fpc_orig));
#elif defined(__sparc__)
asm volatile ("ldx %0,%%fsr"::"m"(fsr_orig));
+#elif defined(__mips__)
+ asm volatile ("ctc1 %0,$31"::"r"(fcsr_orig));
#endif
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-13 16:00:32 +0000