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sysv4.h (ENDIAN_SELECT): Define, extracted from

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* config/rs6000/sysv4.h (ENDIAN_SELECT): Define, extracted from
	(ASM_SPEC): ..here.  Emit DEFAULT_ASM_ENDIAN too.
	(DEFAULT_ASM_ENDIAN): Define.
	(CC1_SPEC, LINK_TARGET_SPEC): Use ENDIAN_SELECT.
	* config/rs6000/linux64.h (ASM_SPEC32): Remove endian options.
	Update -K PIC clause from sysv4.h.
	(ASM_SPEC_COMMON): Use ENDIAN_SELECT.
	(LINK_OS_LINUX_EMUL32, LINK_OS_LINUX_EMUL64): Likewise.

From-SVN: r198619
This commit is contained in:
Alan Modra 2013-05-06 09:50:29 +09:30 • committed by Alan Modra
parent 54890767f6
commit 8f1dbf8d00
3 changed files with 51 additions and 39 deletions
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11
gcc/ChangeLog
View file

@ -1,3 +1,14 @@
2013-05-06 Alan Modra <amodra@gmail.com>
* config/rs6000/sysv4.h (ENDIAN_SELECT): Define, extracted from
(ASM_SPEC): ..here. Emit DEFAULT_ASM_ENDIAN too.
(DEFAULT_ASM_ENDIAN): Define.
(CC1_SPEC, LINK_TARGET_SPEC): Use ENDIAN_SELECT.
* config/rs6000/linux64.h (ASM_SPEC32): Remove endian options.
Update -K PIC clause from sysv4.h.
(ASM_SPEC_COMMON): Use ENDIAN_SELECT.
(LINK_OS_LINUX_EMUL32, LINK_OS_LINUX_EMUL64): Likewise.
2013-05-06 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.md (bswapdi 2nd splitter): Don't swap words

30
gcc/config/rs6000/linux64.h
View file

@ -180,20 +180,14 @@ extern int dot_symbols;
#endif
#define ASM_SPEC32 "-a32 \
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
%{memb} %{!memb: %{msdata=eabi: -memb}} \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-freebsd: -mbig} \
%{mcall-i960-old: -mlittle} \
%{mcall-linux: -mbig} \
%{mcall-netbsd: -mbig} \
}}}}"
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
%{memb|msdata=eabi: -memb}"
#define ASM_SPEC64 "-a64"
#define ASM_SPEC_COMMON "%(asm_cpu) \
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian}"
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
#undef SUBSUBTARGET_EXTRA_SPECS
#define SUBSUBTARGET_EXTRA_SPECS \
@ -373,11 +367,19 @@ extern int dot_symbols;
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
#define LINK_OS_LINUX_EMUL32 "%{!mbig: %{!mbig-endian: -m elf32lppclinux}}%{mbig|mbig-endian: -m elf32ppclinux}"
#define LINK_OS_LINUX_EMUL64 "%{!mbig: %{!mbig-endian: -m elf64lppc}}%{mbig|mbig-endian: -m elf64ppc}"
#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux", \
" -m elf32lppclinux", \
" -m elf32lppclinux")
#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc", \
" -m elf64lppc", \
" -m elf64lppc")
#else
#define LINK_OS_LINUX_EMUL32 "%{!mlittle: %{!mlittle-endian: -m elf32ppclinux}}%{mlittle|mlittle-endian: -m elf32lppclinux}"
#define LINK_OS_LINUX_EMUL64 "%{!mlittle: %{!mlittle-endian: -m elf64ppc}}%{mlittle|mlittle-endian: -m elf64lppc}"
#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux", \
" -m elf32lppclinux", \
" -m elf32ppclinux")
#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc", \
" -m elf64lppc", \
" -m elf64ppc")
#endif
#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \

49
gcc/config/rs6000/sysv4.h
View file

@ -517,19 +517,28 @@ extern int fixuplabelno;
while (0)
#endif
/* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending
on various -mbig, -mlittle and -mcall- options. */
#define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \
"%{mlittle|mlittle-endian:" LITTLE_OPT ";" \
"mbig|mbig-endian:" BIG_OPT ";" \
"mcall-aixdesc|mcall-freebsd|mcall-netbsd|" \
"mcall-openbsd|mcall-linux:" BIG_OPT ";" \
"mcall-i960-old:" LITTLE_OPT ";" \
":" DEFAULT_OPT "}"
#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
#define DEFAULT_ASM_ENDIAN " -mlittle"
#else
#define DEFAULT_ASM_ENDIAN " -mbig"
#endif
#undef ASM_SPEC
#define ASM_SPEC "%(asm_cpu) \
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
%{memb|msdata=eabi: -memb} \
%{mlittle|mlittle-endian:-mlittle; \
mbig|mbig-endian :-mbig; \
mcall-aixdesc | \
mcall-freebsd | \
mcall-netbsd | \
mcall-openbsd | \
mcall-linux :-mbig; \
mcall-i960-old :-mlittle}"
%{memb|msdata=eabi: -memb}" \
ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
#define CC1_ENDIAN_BIG_SPEC ""
@ -547,17 +556,10 @@ extern int fixuplabelno;
#endif
/* Pass -G xxx to the compiler and set correct endian mode. */
#define CC1_SPEC "%{G*} %(cc1_cpu) \
%{mlittle|mlittle-endian: %(cc1_endian_little); \
mbig |mbig-endian : %(cc1_endian_big); \
mcall-aixdesc | \
mcall-freebsd | \
mcall-netbsd | \
mcall-openbsd | \
mcall-linux : -mbig %(cc1_endian_big); \
mcall-i960-old : -mlittle %(cc1_endian_little); \
: %(cc1_endian_default)} \
%{meabi: %{!mcall-*: -mcall-sysv }} \
#define CC1_SPEC "%{G*} %(cc1_cpu)" \
ENDIAN_SELECT(" %(cc1_endian_big)", " %(cc1_endian_little)", \
" %(cc1_endian_default)") \
"%{meabi: %{!mcall-*: -mcall-sysv }} \
%{!meabi: %{!mno-eabi: \
%{mrelocatable: -meabi } \
%{mcall-freebsd: -mno-eabi } \
@ -601,11 +603,8 @@ extern int fixuplabelno;
%{symbolic:-Bsymbolic -G -dy -z text }"
/* Override the default target of the linker. */
#define LINK_TARGET_SPEC "\
%{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-i960-old: --oformat elf32-powerpcle} \
}}}}"
#define LINK_TARGET_SPEC \
ENDIAN_SELECT("", " --oformat elf32-powerpcle", "")
/* Any specific OS flags. */
#define LINK_OS_SPEC "\