AcoSail/kernel_optimize_test
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[PATCH] x86-64: Remove fastcall references in x86_64 code

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Unlike x86, x86_64 already passes arguments in registers.  The use of
regparm attribute makes no difference in produced code, and the use of
fastcall just bloats the code.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
This commit is contained in:
Glauber de Oliveira Costa 2007-02-13 13:26:22 +01:00 committed by Andi Kleen
parent 53fee04f31
commit c49c5330c9
4 changed files with 7 additions and 7 deletions
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2
arch/x86_64/kernel/acpi/sleep.c
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@ -58,7 +58,7 @@ unsigned long acpi_wakeup_address = 0;
unsigned long acpi_video_flags;
extern char wakeup_start, wakeup_end;
extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long));
extern unsigned long acpi_copy_wakeup_routine(unsigned long);
static pgd_t low_ptr;

4
arch/x86_64/kernel/x8664_ksyms.c
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@ -35,8 +35,8 @@ EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(clear_page);
#ifdef CONFIG_SMP
extern void FASTCALL( __write_lock_failed(rwlock_t *rw));
extern void FASTCALL( __read_lock_failed(rwlock_t *rw));
extern void __write_lock_failed(rwlock_t *rw);
extern void __read_lock_failed(rwlock_t *rw);
EXPORT_SYMBOL(__write_lock_failed);
EXPORT_SYMBOL(__read_lock_failed);
#endif

2
include/asm-x86_64/hw_irq.h
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@ -91,7 +91,7 @@ extern void enable_8259A_irq(unsigned int irq);
extern int i8259A_irq_pending(unsigned int irq);
extern void make_8259A_irq(unsigned int irq);
extern void init_8259A(int aeoi);
extern void FASTCALL(send_IPI_self(int vector));
extern void send_IPI_self(int vector);
extern void init_VISWS_APIC_irqs(void);
extern void setup_IO_APIC(void);
extern void disable_IO_APIC(void);

6
include/asm-x86_64/mutex.h
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@ -21,7 +21,7 @@ do { \
unsigned long dummy; \
\
typecheck(atomic_t *, v); \
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
typecheck_fn(void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
LOCK_PREFIX " decl (%%rdi) \n" \
@ -47,7 +47,7 @@ do { \
*/
static inline int
__mutex_fastpath_lock_retval(atomic_t *count,
int fastcall (*fail_fn)(atomic_t *))
int (*fail_fn)(atomic_t *))
{
if (unlikely(atomic_dec_return(count) < 0))
return fail_fn(count);
@ -67,7 +67,7 @@ do { \
unsigned long dummy; \
\
typecheck(atomic_t *, v); \
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
typecheck_fn(void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
LOCK_PREFIX " incl (%%rdi) \n" \