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| author | Jakub Jelinek <jakub@redhat.com> | 2001-09-11 18:50:05 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2001-09-11 18:50:05 +0200 |
| commit | 201556f0e005802b8ebb206a193a6feb55a555af (patch) | |
| tree | 1e64917dd6eadf802b7c67e6f7384cc9fc03f1ae /gcc/config.in | |
| parent | d21b1cb8741f7dfbeab6a456d67b322312933a8c (diff) | |
| download | gcc-201556f0e005802b8ebb206a193a6feb55a555af.tar.gz | |
configure.in: Check whether assembler supports section merging.
* configure.in: Check whether assembler supports section merging.
* config.in: Rebuilt.
* configure: Rebuilt.
* varasm.c (variable_section, output_constant_pool): Pass alignment
to SELECT_SECTION and SELECT_RTX_SECTION.
(mergeable_string_section): New.
(mergeable_constant_section): New.
(default_elf_asm_named_section): Output SECTION_MERGE and
SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
* output.h (mergeable_string_section): New.
(mergeable_constant_section): New.
(SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
* toplev.c (flag_merge_constants): New.
(f_options): Add -fmerge-constants and -fmerge-all-constants
options.
(toplev_main): Default to -fno-merge-constants if not optimizing.
* flags.h (flag_merge_constants): Add extern.
* invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
* tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
argument.
* config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
Define if assembler has working .subsection -1 support.
(SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
Put constant into special SHF_MERGE sections if the linker should
attempt to merge duplicates.
* config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
macro argument.
Put constant into special SHF_MERGE sections if the linker should
attempt to merge duplicates.
* config/alpha/elf.h: Likewise.
(ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
has working .subsection -1 support.
* config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
SELECT_SECTION.
* config/svr3.h: Likewise.
* config/darwin.h: Likewise.
* config/arm/aof.h: Likewise.
* config/arm/linux-elf.h: Likewise.
* config/avr/avr.h: Likewise.
* config/c4x/c4x.h: Likewise.
* config/d30v/d30v.h: Likewise.
* config/i386/dgux.h: Likewise.
* config/i386/osfrose.h: Likewise.
* config/i386/sco5.h: Likewise.
* config/i386/svr3gas.h: Likewise.
* config/ia64/aix.h: Likewise.
* config/m32r/m32r.h: Likewise.
* config/m68k/m68k.h: Likewise.
* config/m88k/dgux.h: Likewise.
* config/m88k/m88k.h: Likewise.
* config/mcore/mcore-pe.h: Likewise.
* config/mips/mips.h: Likewise.
* config/pa/pa.h: Likewise.
* config/pa/pa-linux.h: Likewise.
* config/romp/romp.h: Likewise.
* config/rs6000/sysv4.h: Likewise.
* config/rs6000/xcoff.h: Likewise.
* config/s390/linux.h: Likewise.
* config/sparc/sparc.h: Likewise.
* config/sparc/sysv4.h: Likewise.
* config/stormy16/stormy16.h: Likewise.
* config/v850/v850.h: Likewise.
* config/vax/vms.h: Likewise.
* config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
* config/sparc/sparc.c (sparc_elf_asm_named_section): Use
default_elf_asm_named_section for SHF_MERGE sections.
* com.c (ffe_init_options): Default to -fmerge-all-constants
if optimizing.
From-SVN: r45548
Diffstat (limited to 'gcc/config.in')
| -rw-r--r-- | gcc/config.in | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config.in b/gcc/config.in index 88a751703c4..b9156619b5c 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -475,6 +475,9 @@ /* Define if your assembler mis-optimizes .eh_frame data. */ #undef USE_AS_TRADITIONAL_FORMAT +/* Define if your assembler supports marking sections with SHF_MERGE flag. */ +#undef HAVE_GAS_SHF_MERGE + /* Define if your assembler supports .register. */ #undef HAVE_AS_REGISTER_PSEUDO_OP |