ref: eee0a840b3e35d0868ed19ccbceaf045031a36c8
parent: b9092374f230ebf9503fd1100a3950f858f8524e
author: lieff <lieff@users.noreply.github.com>
date: Wed Jan 31 12:44:56 EST 2018
fix neon code
--- a/minimp3.h
+++ b/minimp3.h
@@ -167,7 +167,8 @@
# define VMAC(a, x, y) vmlaq_f32(a, x, y)
# define VMSB(a, x, y) vmlsq_f32(a, x, y)
# define VMUL_S(x, s) vmulq_f32(x, vmovq_n_f32(s))
-# define VREV(x) vrev64q_f32(x)
+/*# define VREV(x) vcombine_f32(vrev64_f32(vget_high_f32(x)), vrev64_f32(vget_low_f32(x)))*/
+# define VREV(x) vcombine_f32(vget_high_f32(vrev64q_f32(x)), vget_low_f32(vrev64q_f32(x)))
typedef float32x4_t f4;
static int have_simd()
{ /* TODO: detect neon for !MINIMP3_ONLY_SIMD */--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -19,7 +19,7 @@
-ffunction-sections -fdata-sections -Wl,--gc-sections -o minimp3_arm minimp3_test.c --specs=rdimon.specs -lm
qemu-arm ./minimp3_arm
-#arm-none-eabi-gcc -O2 -g -std=c89 -Wall -Wextra -Wmissing-prototypes -Werror -fno-asynchronous-unwind-tables -fno-stack-protector \
-#-marm -mcpu=cortex-a15 -mfpu=neon -mfloat-abi=softfp \
-#-ffunction-sections -fdata-sections -Wl,--gc-sections -o minimp3_arm minimp3_test.c --specs=rdimon.specs -lm
-#qemu-arm ./minimp3_arm
+arm-none-eabi-gcc -O2 -g -std=c89 -Wall -Wextra -Wmissing-prototypes -Werror -fno-asynchronous-unwind-tables -fno-stack-protector \
+-marm -mcpu=cortex-a15 -mfpu=neon -mfloat-abi=softfp \
+-ffunction-sections -fdata-sections -Wl,--gc-sections -o minimp3_arm minimp3_test.c --specs=rdimon.specs -lm
+qemu-arm ./minimp3_arm