Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c
new file mode 100644
index 0000000000..b9e91da7df
--- /dev/null
+++ b/arch/mips/math-emu/sp_simple.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* IEEE754 floating point arithmetic
+ * single precision
+ */
+/*
+ * MIPS floating point support
+ * Copyright (C) 1994-2000 Algorithmics Ltd.
+ */
+
+#include "ieee754sp.h"
+
+union ieee754sp ieee754sp_neg(union ieee754sp x)
+{
+	union ieee754sp y;
+
+	if (ieee754_csr.abs2008) {
+		y = x;
+		SPSIGN(y) = !SPSIGN(x);
+	} else {
+		unsigned int oldrm;
+
+		oldrm = ieee754_csr.rm;
+		ieee754_csr.rm = FPU_CSR_RD;
+		y = ieee754sp_sub(ieee754sp_zero(0), x);
+		ieee754_csr.rm = oldrm;
+	}
+	return y;
+}
+
+union ieee754sp ieee754sp_abs(union ieee754sp x)
+{
+	union ieee754sp y;
+
+	if (ieee754_csr.abs2008) {
+		y = x;
+		SPSIGN(y) = 0;
+	} else {
+		unsigned int oldrm;
+
+		oldrm = ieee754_csr.rm;
+		ieee754_csr.rm = FPU_CSR_RD;
+		if (SPSIGN(x))
+			y = ieee754sp_sub(ieee754sp_zero(0), x);
+		else
+			y = ieee754sp_add(ieee754sp_zero(0), x);
+		ieee754_csr.rm = oldrm;
+	}
+	return y;
+}