d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove _ARCH_INDIRECT ifdefs. They existed for lib/msun/* on i386, which

Browse Source 
could use different versions of the math code depending on whether there
was real floating point hardware or math emulation.  Since the fpu is
part of the core specification on amd64, there is no need for this here.

Approved by:	re (blanket amd64/*)
This commit is contained in:
Peter Wemm 2003-05-10 00:53:34 +00:00
parent 2e4f687a1d
commit e1ef71de2b
1 changed files with 0 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
sys/amd64/include/asm.h
View File

@ -91,67 +91,4 @@
#define __FBSDID(s) /* nothing */
#endif /* not lint and not STRIP_FBSDID */
#ifdef _ARCH_INDIRECT
/*
* Generate code to select between the generic functions and _ARCH_INDIRECT
* specific ones.
* XXX nested __CONCATs don't work with non-ANSI cpp's.
*/
#define ANAME(x) CNAME(__CONCAT(__CONCAT(__,_ARCH_INDIRECT),x))
#define ASELNAME(x) CNAME(__CONCAT(__arch_select_,x))
#define AVECNAME(x) CNAME(__CONCAT(__arch_,x))
#define GNAME(x) CNAME(__CONCAT(__generic_,x))
/* Don't bother profiling this. */
#ifdef PIC
#define ARCH_DISPATCH(x) \
_START_ENTRY; \
.globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \
movq PIC_GOT(AVECNAME(x)),%rax; \
jmpq *(%rax)
#define ARCH_SELECT(x) _START_ENTRY; \
.type ASELNAME(x),@function; \
ASELNAME(x): \
call PIC_PLT(CNAME(__get_hw_float)); \
testq %rax,%rax; \
movq PIC_GOT(ANAME(x)),%rax; \
jne 8f; \
movq PIC_GOT(GNAME(x)),%rax; \
8: \
movq PIC_GOT(AVECNAME(x)),%rdx; \
movq %rax,(%rdx); \
jmpq *%rax
#else /* !PIC */
#define ARCH_DISPATCH(x) \
_START_ENTRY; \
.globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \
jmpw *AVECNAME(x)
#define ARCH_SELECT(x) _START_ENTRY; \
.type ASELNAME(x),@function; \
ASELNAME(x): \
call CNAME(__get_hw_float); \
testw %rax,%rax; \
movw $ANAME(x),%rax; \
jne 8f; \
movw $GNAME(x),%rax; \
8: \
movw %rax,AVECNAME(x); \
jmpw *%rax
#endif /* PIC */
#define ARCH_VECTOR(x) .data; .p2align 2; \
.globl AVECNAME(x); \
.type AVECNAME(x),@object; \
.size AVECNAME(x),4; \
AVECNAME(x): .long ASELNAME(x)
#undef _ENTRY
#define _ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \
_START_ENTRY; \
.globl ANAME(x); .type ANAME(x),@function; ANAME(x):
#endif /* _ARCH_INDIRECT */
#endif /* !_MACHINE_ASM_H_ */