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Makefile.in (LIB2_DIVMOD_FUNCS): Add _divmoddi4.

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* Makefile.in (LIB2_DIVMOD_FUNCS): Add _divmoddi4.
	* libgcc2.c (__divmoddi4): New function.
	* libgcc2.h (__divmoddi4): Declare.
	* libgcc-std.ver.in (GCC_7.0.0): New. Add __PFX_divmoddi4
	and __PFX_divmodti4.

From-SVN: r241804
This commit is contained in:
Uros Bizjak 2016-11-02 23:23:13 +01:00
parent 6668eb4593
commit 183624479f
5 changed files with 56 additions and 11 deletions
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12
libgcc/ChangeLog
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@ -1,3 +1,11 @@
2016-11-02 Uros Bizjak <ubizjak@gmail.com>
* Makefile.in (LIB2_DIVMOD_FUNCS): Add _divmoddi4.
* libgcc2.c (__divmoddi4): New function.
* libgcc2.h (__divmoddi4): Declare.
* libgcc-std.ver.in (GCC_7.0.0): New. Add __PFX_divmoddi4
and __PFX_divmodti4.
2016-10-24 Florian Weimer <fweimer@redhat.com>
PR libgcc/78064
@ -5,7 +13,7 @@
2016-10-19 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa64-hpux-lib.h: New file.
* config/pa/pa64-hpux-lib.h: New file.
(EH_FRAME_SECTION_NAME): Rename to __LIBGCC_EH_FRAME_SECTION_NAME__.
(DTORS_SECTION_ASM_OP): Rename to __LIBGCC_DTORS_SECTION_ASM_OP__.
* config.host (tm_file): Add pa/pa64-hpux-lib.h to tm_file on
@ -358,7 +366,7 @@
2016-06-23 Jakub Sejdak <jakub.sejdak@phoesys.com>
* config.host: Add suport for arm*-*-phoenix* targets.
* config.host: Add suport for arm*-*-phoenix* targets.
2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>

7
libgcc/Makefile.in
View File

@ -255,10 +255,6 @@ LIB2FUNCS_ST = _eprintf __gcc_bcmp
# List of functions not to build from libgcc2.c.
LIB2FUNCS_EXCLUDE =
# These might cause a divide overflow trap and so are compiled with
# unwinder info.
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
# List of extra C and assembler files to add to static and shared libgcc2.
# Assembler files should have names ending in `.S'.
LIB2ADD =
@ -455,7 +451,8 @@ endif
# These might cause a divide overflow trap and so are compiled with
# unwinder info.
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
_udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
# defined as optimized assembly code in LIB1ASMFUNCS or as C code

6
libgcc/libgcc-std.ver.in
View File

@ -1938,3 +1938,9 @@ GCC_4.7.0 {
%inherit GCC_4.8.0 GCC_4.7.0
GCC_4.8.0 {
}
%inherit GCC_7.0.0 GCC_4.8.0
GCC_7.0.0 {
__PFX__divmoddi4
__PFX__divmodti4
}

37
libgcc/libgcc2.c
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@ -680,7 +680,8 @@ __udiv_w_sdiv (UWtype *rp __attribute__ ((__unused__)),
#endif
#if (defined (L_udivdi3) || defined (L_divdi3) || \
defined (L_umoddi3) || defined (L_moddi3))
defined (L_umoddi3) || defined (L_moddi3) || \
defined (L_divmoddi4))
#define L_udivmoddi4
#endif
@ -937,7 +938,8 @@ __parityDI2 (UDWtype x)
#ifdef TARGET_HAS_NO_HW_DIVIDE
#if (defined (L_udivdi3) || defined (L_divdi3) || \
defined (L_umoddi3) || defined (L_moddi3))
defined (L_umoddi3) || defined (L_moddi3) || \
defined (L_divmoddi4))
static inline __attribute__ ((__always_inline__))
#endif
UDWtype
@ -1004,7 +1006,8 @@ __udivmoddi4 (UDWtype n, UDWtype d, UDWtype *rp)
#else
#if (defined (L_udivdi3) || defined (L_divdi3) || \
defined (L_umoddi3) || defined (L_moddi3))
defined (L_umoddi3) || defined (L_moddi3) || \
defined (L_divmoddi4))
static inline __attribute__ ((__always_inline__))
#endif
UDWtype
@ -1269,6 +1272,34 @@ __moddi3 (DWtype u, DWtype v)
}
#endif
#ifdef L_divmoddi4
DWtype
__divmoddi4 (DWtype u, DWtype v, DWtype *rp)
{
Wtype c1 = 0, c2 = 0;
DWunion uu = {.ll = u};
DWunion vv = {.ll = v};
DWtype w;
DWtype r;
if (uu.s.high < 0)
c1 = ~c1, c2 = ~c2,
uu.ll = -uu.ll;
if (vv.s.high < 0)
c1 = ~c1,
vv.ll = -vv.ll;
w = __udivmoddi4 (uu.ll, vv.ll, (UDWtype*)&r);
if (c1)
w = -w;
if (c2)
r = -r;
*rp = r;
return w;
}
#endif
#ifdef L_umoddi3
UDWtype
__umoddi3 (UDWtype u, UDWtype v)

5
libgcc/libgcc2.h
View File

@ -281,6 +281,7 @@ typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__)));
#define __ashrdi3 __NDW(ashr,3)
#define __cmpdi2 __NDW(cmp,2)
#define __ucmpdi2 __NDW(ucmp,2)
#define __divmoddi4 __NDW(divmod,4)
#define __udivmoddi4 __NDW(udivmod,4)
#define __fixunstfDI __NDW(fixunstf,)
#define __fixtfdi __NDW(fixtf,)
@ -376,10 +377,12 @@ extern DWtype __divdi3 (DWtype, DWtype);
extern UDWtype __udivdi3 (UDWtype, UDWtype);
extern UDWtype __umoddi3 (UDWtype, UDWtype);
extern DWtype __moddi3 (DWtype, DWtype);
extern DWtype __divmoddi4 (DWtype, DWtype, DWtype *);
/* __udivmoddi4 is static inline when building other libgcc2 portions. */
#if (!defined (L_udivdi3) && !defined (L_divdi3) && \
!defined (L_umoddi3) && !defined (L_moddi3))
!defined (L_umoddi3) && !defined (L_moddi3) && \
!defined (L_divmoddi4))
extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
#endif