From: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Date: Mon, 25 Oct 2021 12:28:03 +0000 (+0200)
Subject: qemu/int128: Add int128_{not,xor}
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1c46937358fc27a9e446d08c877389ee84d6767d;p=qemu.git

qemu/int128: Add int128_{not,xor}

Addition of not and xor on 128-bit integers.

Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org>
Message-Id: <20211025122818.168890-3-frederic.petrot@univ-grenoble-alpes.fr>
[rth: Split out logical operations.]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index 2ac0746426..b6d517aea4 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -58,6 +58,11 @@ static inline Int128 int128_exts64(int64_t a)
     return a;
 }
 
+static inline Int128 int128_not(Int128 a)
+{
+    return ~a;
+}
+
 static inline Int128 int128_and(Int128 a, Int128 b)
 {
     return a & b;
@@ -68,6 +73,11 @@ static inline Int128 int128_or(Int128 a, Int128 b)
     return a | b;
 }
 
+static inline Int128 int128_xor(Int128 a, Int128 b)
+{
+    return a ^ b;
+}
+
 static inline Int128 int128_rshift(Int128 a, int n)
 {
     return a >> n;
@@ -235,6 +245,11 @@ static inline Int128 int128_exts64(int64_t a)
     return int128_make128(a, (a < 0) ? -1 : 0);
 }
 
+static inline Int128 int128_not(Int128 a)
+{
+    return int128_make128(~a.lo, ~a.hi);
+}
+
 static inline Int128 int128_and(Int128 a, Int128 b)
 {
     return int128_make128(a.lo & b.lo, a.hi & b.hi);
@@ -245,6 +260,11 @@ static inline Int128 int128_or(Int128 a, Int128 b)
     return int128_make128(a.lo | b.lo, a.hi | b.hi);
 }
 
+static inline Int128 int128_xor(Int128 a, Int128 b)
+{
+    return int128_make128(a.lo ^ b.lo, a.hi ^ b.hi);
+}
+
 static inline Int128 int128_rshift(Int128 a, int n)
 {
     int64_t h;