yescrypt: Sync with upstream

Author: solardiz

src/yescrypt/CHANGES

@@ -1,5 +1,7 @@
 	Changes made since 1.1.0 (2019/06/30).
 
+Use AVX512VL XOP-like bit rotates for faster Salsa20 on supporting CPUs.
+
 Implemented a little-known SHA-2 Maj() optimization proposed by Wei Dai.
 
 Minor code cleanups and documentation updates.

src/yescrypt/Makefile

@@ -21,8 +21,8 @@ LD = $(CC)
 RM = rm -f
 OMPFLAGS = -fopenmp
 OMPFLAGS_MAYBE = $(OMPFLAGS)
-CFLAGS = -Wall -O2 -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
-#CFLAGS = -Wall -O2 -march=native -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
+#CFLAGS = -Wall -O2 -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
+CFLAGS = -Wall -O2 -march=native -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
 #CFLAGS = -Wall -O2 -funroll-loops -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
 #CFLAGS = -Wall -O2 -march=native -funroll-loops -fomit-frame-pointer $(OMPFLAGS_MAYBE) -DSKIP_MEMZERO
 # -lrt is for userom's use of clock_gettime()

src/yescrypt/README

@@ -6,9 +6,9 @@ implementation is able to compute native yescrypt hashes as well as
 classic scrypt.
 
 As of this writing, yescrypt is the default password hashing scheme on
-recent ALT Linux, Debian 11, Fedora 35+, Kali Linux 2021.1+, and Ubuntu
-22.04+.  It is also supported in Fedora 29+, RHEL 9+, and Ubuntu 20.04+,
-and is recommended for new passwords in Fedora CoreOS.
+recent ALT Linux, Arch Linux, Debian 11+, Fedora 35+, Kali Linux 2021.1+,
+and Ubuntu 22.04+.  It is also supported in Fedora 29+, RHEL 9+, and
+Ubuntu 20.04+, and is recommended for new passwords in Fedora CoreOS.
 
 
 	Why yescrypt?

src/yescrypt/yescrypt-opt.c

@@ -1,6 +1,6 @@
 /*-
  * Copyright 2009 Colin Percival
- * Copyright 2012-2018 Alexander Peslyak
+ * Copyright 2012-2025 Alexander Peslyak
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,6 +37,7 @@
  * sub-block), and much less so for YESCRYPT_RW (which uses 2 rounds of Salsa20
  * per block except during pwxform S-box initialization).
  */
+#ifdef __GNUC__
 #if 0 /* JtR hack */
 #ifdef __XOP__
 #warning "Note: XOP is enabled.  That's great."
@@ -52,6 +53,7 @@
 #warning "Note: building generic code for non-x86.  That's OK."
 #endif
 #endif
+#endif
 
 /*
  * The SSE4 code version has fewer instructions than the generic SSE2 version,

src/yescrypt/yescrypt-ref.c

@@ -34,7 +34,9 @@
  * yescrypt-opt.c.
  */
 
+#ifdef __GNUC__
 #warning "This reference implementation is deliberately mostly not optimized, nor does it make any attempt not to leave sensitive data in memory. Use yescrypt-opt.c instead unless you're testing (against) the reference implementation on purpose."
+#endif
 
 #include <errno.h>
 #include <stdint.h>