From 1c9d2cba11ef2c9de31a6edb48eb20777be4a4f8 Mon Sep 17 00:00:00 2001
From: "info@mobile-stream.com" <info@mobile-stream.com>
Date: Wed, 11 Sep 2019 13:05:04 +0300
Subject: mips: add single-instruction math functions

SQRT.fmt exists on MIPS II+ (float), MIPS III+ (double).

ABS.fmt exists on MIPS I+ but only cores with ABS2008 flag in FCSR
implement the required behaviour.
---
 src/math/mips/fabsf.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/math/mips/fabsf.c

(limited to 'src/math/mips/fabsf.c')

diff --git a/src/math/mips/fabsf.c b/src/math/mips/fabsf.c
new file mode 100644
index 00000000..35307be6
--- /dev/null
+++ b/src/math/mips/fabsf.c
@@ -0,0 +1,16 @@
+#if !defined(__mips_soft_float) && defined(__mips_abs2008)
+
+#include <math.h>
+
+float fabsf(float x)
+{
+	float r;
+	__asm__("abs.s %0,%1" : "=f"(r) : "f"(x));
+	return r;
+}
+
+#else
+
+#include "../fabsf.c"
+
+#endif
-- 
cgit 1.4.1