Tweak indent and use named registers.

No functional change.

diff --git a/lib/libcrypto/bn/arch/aarch64/bn_arch.h b/lib/libcrypto/bn/arch/aarch64/bn_arch.h
index b382d1a..4e16597 100644 (file)
--- a/lib/libcrypto/bn/arch/aarch64/bn_arch.h
+++ b/lib/libcrypto/bn/arch/aarch64/bn_arch.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: bn_arch.h,v 1.6 2023/02/25 15:39:40 bcook Exp $ */
+/*     $OpenBSD: bn_arch.h,v 1.7 2023/04/17 12:51:09 jsing Exp $ */
 /*
  * Copyright (c) 2023 Joel Sing <jsing@openbsd.org>
  *
@@ -32,10 +32,10 @@ bn_addw(BN_ULONG a, BN_ULONG b, BN_ULONG *out_r1, BN_ULONG *out_r0)
        BN_ULONG carry, r0;
 
        __asm__ (
-               "adds %1, %2, %3 \n"
-               "cset %0, cs"
-           : "=r"(carry), "=r"(r0)
-           : "r"(a), "r"(b)
+           "adds  %[r0], %[a], %[b] \n"
+           "cset  %[carry], cs \n"
+           : [carry]"=r"(carry), [r0]"=r"(r0)
+           : [a]"r"(a), [b]"r"(b)
            : "cc");
 
        *out_r1 = carry;
@@ -51,10 +51,10 @@ bn_mulw(BN_ULONG a, BN_ULONG b, BN_ULONG *out_r1, BN_ULONG *out_r0)
 
        /* Unsigned multiplication using a umulh/mul pair. */
        __asm__ (
-               "umulh %0, %2, %3 \n"
-               "mul %1, %2, %3"
-           : "=&r"(r1), "=r"(r0)
-           : "r"(a), "r"(b));
+           "umulh %[r1], %[a], %[b] \n"
+           "mul   %[r0], %[a], %[b] \n"
+           : [r1]"=&r"(r1), [r0]"=r"(r0)
+           : [a]"r"(a), [b]"r"(b));
 
        *out_r1 = r1;
        *out_r0 = r0;
@@ -68,10 +68,10 @@ bn_subw(BN_ULONG a, BN_ULONG b, BN_ULONG *out_borrow, BN_ULONG *out_r0)
        BN_ULONG borrow, r0;
 
        __asm__ (
-               "subs %1, %2, %3 \n"
-               "cset %0, cc"
-           : "=r"(borrow), "=r"(r0)
-           : "r"(a), "r"(b)
+           "subs  %[r0], %[a], %[b] \n"
+           "cset  %[borrow], cc \n"
+           : [borrow]"=r"(borrow), [r0]"=r"(r0)
+           : [a]"r"(a), [b]"r"(b)
            : "cc");
 
        *out_borrow = borrow;