commit 95e0dbc35b16e8128129ef1c23c1c973a28d698b
author Prachee Ramsinghani <pracheer@codeaurora.org> Thu Aug 09 15:27:06 2012 +0530
committer Andrew Sutherland <dr3wsuth3rland@gmail.com> Tue Dec 18 18:55:42 2012 -0600
tree ae2c01ceba005003d2a3a0fffdf26e7fd011ee6a
parent 606b2ff42b0446aa32b374f80eb4f2639deea472

msm8660: Add neon based pow() function for Scorpion

Add #define to enable neon based pow() function for msm8660.

(cherry picked from commit f795151ff5dc4eb622b2630cb6f42353db4a1b55)

Change-Id: Iab0f30eb0583c30bcfd6940a23f47e98ffe075df

libm/Android.mk

diff --git a/libm/Android.mk b/libm/Android.mk
index 6cf2342..205c813 100644
--- a/libm/Android.mk
+++ b/libm/Android.mk
@@ -178,6 +178,12 @@
     libm_common_cflags += -DSPARROW_NEON_OPTIMIZATION
   endif
 
+  ifeq ($(TARGET_USE_SCORPION_BIONIC_OPTIMIZATION),true)
+    libm_common_src_files += \
+          arm/e_pow.S
+    libm_common_cflags += -DSCORPION_NEON_OPTIMIZATION
+  endif
+
   libm_common_includes = $(LOCAL_PATH)/arm
 else
   libm_common_src_files += \

libm/src/e_pow.c

diff --git a/libm/src/e_pow.c b/libm/src/e_pow.c
index b0a3f53..bd82f30 100644
--- a/libm/src/e_pow.c
+++ b/libm/src/e_pow.c
@@ -61,7 +61,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#if defined(KRAIT_NEON_OPTIMIZATION) || defined(SPARROW_NEON_OPTIMIZATION)
+#if defined(KRAIT_NEON_OPTIMIZATION) || defined(SPARROW_NEON_OPTIMIZATION) || defined(SCORPION_NEON_OPTIMIZATION)
 #if defined(KRAIT_NO_AAPCS_VFP_MODE)
 double pow_neon(double x, double y);
 #else
@@ -229,7 +229,7 @@
 	    t1 = u+v;
 	    SET_LOW_WORD(t1,0);
 	    t2 = v-(t1-u);
-#if defined(KRAIT_NEON_OPTIMIZATION) || defined(SPARROW_NEON_OPTIMIZATION)
+#if defined(KRAIT_NEON_OPTIMIZATION) || defined(SPARROW_NEON_OPTIMIZATION) || defined(SCORPION_NEON_OPTIMIZATION)
 	} else if (ix <= 0x40100000 && iy <= 0x40100000 && hy > 0 && hx > 0) {
 #if defined(KRAIT_NO_AAPCS_VFP_MODE)
 		return pow_neon(x,y);