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Simplify fldcw() macro. There is no reason to use pointer here. No object

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file change after this commit (verified with md5).
This commit is contained in:
Jung-uk Kim 2010-07-26 23:20:55 +00:00
parent 07c86dcf54
commit 172754036a
2 changed files with 9 additions and 9 deletions
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8
sys/amd64/amd64/fpu.c
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@ -65,7 +65,7 @@ __FBSDID("$FreeBSD$");
#if defined(__GNUCLIKE_ASM) && !defined(lint)
#define fldcw(addr) __asm __volatile("fldcw %0" : : "m" (*(addr)))
#define fldcw(cw) __asm __volatile("fldcw %0" : : "m" (cw))
#define fnclex() __asm __volatile("fnclex")
#define fninit() __asm __volatile("fninit")
#define fnstcw(addr) __asm __volatile("fnstcw %0" : "=m" (*(addr)))
@ -80,7 +80,7 @@ __FBSDID("$FreeBSD$");
#else /* !(__GNUCLIKE_ASM && !lint) */
void fldcw(caddr_t addr);
void fldcw(u_short cw);
void fnclex(void);
void fninit(void);
void fnstcw(caddr_t addr);
@ -124,7 +124,7 @@ fpuinit(void)
stop_emulating();
fninit();
control = __INITIAL_FPUCW__;
fldcw(&control);
fldcw(control);
mxcsr = __INITIAL_MXCSR__;
ldmxcsr(mxcsr);
if (PCPU_GET(cpuid) == 0) {
@ -425,7 +425,7 @@ fpudna(void)
*/
fxrstor(&fpu_initialstate);
if (pcb->pcb_initial_fpucw != __INITIAL_FPUCW__)
fldcw(&pcb->pcb_initial_fpucw);
fldcw(pcb->pcb_initial_fpucw);
pcb->pcb_flags |= PCB_FPUINITDONE;
if (PCB_USER_FPU(pcb))
pcb->pcb_flags |= PCB_USERFPUINITDONE;

10
sys/i386/isa/npx.c
View File

@ -87,7 +87,7 @@ __FBSDID("$FreeBSD$");
#if defined(__GNUCLIKE_ASM) && !defined(lint)
#define fldcw(addr) __asm __volatile("fldcw %0" : : "m" (*(addr)))
#define fldcw(cw) __asm __volatile("fldcw %0" : : "m" (cw))
#define fnclex() __asm __volatile("fnclex")
#define fninit() __asm __volatile("fninit")
#define fnsave(addr) __asm __volatile("fnsave %0" : "=m" (*(addr)))
@ -111,7 +111,7 @@ __FBSDID("$FreeBSD$");
#endif
#else /* !(__GNUCLIKE_ASM && !lint) */
void fldcw(caddr_t addr);
void fldcw(u_short cw);
void fnclex(void);
void fninit(void);
void fnsave(caddr_t addr);
@ -266,7 +266,7 @@ npx_probe(device_t dev)
* 16 works.
*/
control &= ~(1 << 2); /* enable divide by 0 trap */
fldcw(&control);
fldcw(control);
#ifdef FPU_ERROR_BROKEN
/*
* FPU error signal doesn't work on some CPU
@ -364,7 +364,7 @@ npxinit(void)
fninit();
#endif
control = __INITIAL_NPXCW__;
fldcw(&control);
fldcw(control);
start_emulating();
intr_restore(savecrit);
}
@ -683,7 +683,7 @@ npxdna(void)
*/
fpurstor(&npx_initialstate);
if (pcb->pcb_initial_npxcw != __INITIAL_NPXCW__)
fldcw(&pcb->pcb_initial_npxcw);
fldcw(pcb->pcb_initial_npxcw);
pcb->pcb_flags |= PCB_NPXINITDONE;
if (PCB_USER_FPU(pcb))
pcb->pcb_flags |= PCB_NPXUSERINITDONE;