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Comment arm_enable_runfast_mode().

This commit is contained in:
Themaister 2013-12-30 10:19:32 +01:00
parent 6180f3c15a
commit 2ace9a81a8
1 changed files with 7 additions and 6 deletions
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5
performance.c
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@ -262,8 +262,9 @@ static uint64_t xgetbv_x86(uint32_t index)
#ifdef HAVE_NEON #ifdef HAVE_NEON
static void arm_enable_runfast_mode(void) static void arm_enable_runfast_mode(void)
{ {
static const unsigned int x = 0x04086060; // RunFast mode. Enables flush-to-zero and some floating point optimizations.
static const unsigned int y = 0x03000000; static const unsigned x = 0x04086060;
static const unsigned y = 0x03000000;
int r; int r;
asm volatile( asm volatile(
"fmrx %0, fpscr \n\t" // r0 = FPSCR "fmrx %0, fpscr \n\t" // r0 = FPSCR