Changeset e660761 for libcfa/src/bits/defs.hfa

Timestamp:

Jul 31, 2020, 4:02:04 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

3e2b9c9

Parents:

3ac8b9f

Message:

First attempt at reducing complation time by restructuring the code.
Notably, starting the runtime has been moved to kernel/startup.cfa

File:

• libcfa/src/bits/defs.hfa (modified) (2 diffs)

libcfa/src/bits/defs.hfa

@@ -16 +16 @@
 #pragma once
 
-#include <stdbool.h>
-#include <stddef.h>
 #include <stdint.h>
 
@@ -54 +52 @@
     return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 );
 }
-
-// #define __CFA_NO_BIT_TEST_AND_SET__
-
-#if defined( __i386 )
-static inline bool __atomic_bts(volatile unsigned long int * target, unsigned long int bit ) {
-        #if defined(__CFA_NO_BIT_TEST_AND_SET__)
-        unsigned long int mask = 1ul << bit;
-        unsigned long int ret = __atomic_fetch_or(target, mask, (int)__ATOMIC_RELAXED);
-        return (ret & mask) != 0;
-    #else
-        int result = 0;
-        asm volatile(
-            "LOCK btsl %[bit], %[target]\n\t"
-            : "=@ccc" (result)
-            : [target] "m" (*target), [bit] "r" (bit)
-        );
-        return result != 0;
-    #endif
-}
-
-static inline bool __atomic_btr(volatile unsigned long int * target, unsigned long int bit ) {
-        #if defined(__CFA_NO_BIT_TEST_AND_SET__)
-        unsigned long int mask = 1ul << bit;
-        unsigned long int ret = __atomic_fetch_and(target, ~mask, (int)__ATOMIC_RELAXED);
-        return (ret & mask) != 0;
-        #else
-        int result = 0;
-        asm volatile(
-            "LOCK btrl %[bit], %[target]\n\t"
-            :"=@ccc" (result)
-            : [target] "m" (*target), [bit] "r" (bit)
-        );
-        return result != 0;
-    #endif
-}
-#elif defined( __x86_64 )
-static inline bool __atomic_bts(volatile unsigned long long int * target, unsigned long long int bit ) {
-        #if defined(__CFA_NO_BIT_TEST_AND_SET__)
-        unsigned long long int mask = 1ul << bit;
-        unsigned long long int ret = __atomic_fetch_or(target, mask, (int)__ATOMIC_RELAXED);
-        return (ret & mask) != 0;
-    #else
-        int result = 0;
-        asm volatile(
-            "LOCK btsq %[bit], %[target]\n\t"
-            : "=@ccc" (result)
-            : [target] "m" (*target), [bit] "r" (bit)
-        );
-        return result != 0;
-    #endif
-}
-
-static inline bool __atomic_btr(volatile unsigned long long int * target, unsigned long long int bit ) {
-        #if defined(__CFA_NO_BIT_TEST_AND_SET__)
-        unsigned long long int mask = 1ul << bit;
-        unsigned long long int ret = __atomic_fetch_and(target, ~mask, (int)__ATOMIC_RELAXED);
-        return (ret & mask) != 0;
-        #else
-        int result = 0;
-        asm volatile(
-            "LOCK btrq %[bit], %[target]\n\t"
-            :"=@ccc" (result)
-            : [target] "m" (*target), [bit] "r" (bit)
-        );
-        return result != 0;
-    #endif
-}
-#elif defined( __ARM_ARCH )
-    #error __atomic_bts and __atomic_btr not implemented for arm
-#else
-        #error uknown hardware architecture
-#endif