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Read time from timer register on armv6, armv7.

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Same improvement as on aarch64.
This commit is contained in:
Bartosz Taudul 2018-04-26 17:17:37 +02:00
parent 69a50b04c1
commit a3f5003f88
1 changed files with 12 additions and 3 deletions
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15
client/TracyProfiler.hpp
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@ -23,7 +23,7 @@
# define TRACY_HW_TIMER # define TRACY_HW_TIMER
#endif #endif
#if defined __aarch64__ #if defined __aarch64__ || __ARM_ARCH >= 6
# define TRACY_HW_TIMER # define TRACY_HW_TIMER
#endif #endif
@ -68,7 +68,12 @@ public:
static tracy_force_inline int64_t GetTime( uint32_t& cpu ) static tracy_force_inline int64_t GetTime( uint32_t& cpu )
{ {
#ifdef TRACY_HW_TIMER #ifdef TRACY_HW_TIMER
# if defined __aarch64__ # if __ARM_ARCH >= 6
int64_t t;
cpu = 0xFFFFFFFF;
asm volatile ( "mrrc p15, 1, %Q0, %R0, c14" : "=r" (t) );
return t;
# elif defined __aarch64__
int64_t t; int64_t t;
cpu = 0xFFFFFFFF; cpu = 0xFFFFFFFF;
asm volatile ( "mrs %0, cntvct_el0" : "=r" (t) ); asm volatile ( "mrs %0, cntvct_el0" : "=r" (t) );
@ -90,7 +95,11 @@ public:
static tracy_force_inline int64_t GetTime() static tracy_force_inline int64_t GetTime()
{ {
#ifdef TRACY_HW_TIMER #ifdef TRACY_HW_TIMER
# if defined __aarch64__ # if __ARM_ARCH >= 6
int64_t t;
asm volatile ( "mrrc p15, 1, %Q0, %R0, c14" : "=r" (t) );
return t;
# elif defined __aarch64__
int64_t t; int64_t t;
asm volatile ( "mrs %0, cntvct_el0" : "=r" (t) ); asm volatile ( "mrs %0, cntvct_el0" : "=r" (t) );
return t; return t;