diff options
| author | Eric Andersen <andersen@codepoet.org> | 2004-02-14 11:54:09 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2004-02-14 11:54:09 +0000 |
| commit | d891064218c362387465ab1ad98e438d8d0b4b91 (patch) | |
| tree | ab14ea12ddc2456c13520784381a7418f6566c18 /ldso/ldso/arm | |
| parent | deec524084aa2faad66f7aae7e8b5ba1ab6789fd (diff) | |
Give gcc branch prediction some hits on obviously unlikely branches
Diffstat (limited to 'ldso/ldso/arm')
| -rw-r--r-- | ldso/ldso/arm/elfinterp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/ldso/ldso/arm/elfinterp.c b/ldso/ldso/arm/elfinterp.c index 5ab1f148d..c04477561 100644 --- a/ldso/ldso/arm/elfinterp.c +++ b/ldso/ldso/arm/elfinterp.c @@ -137,7 +137,7 @@ unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry) symname = strtab + symtab[symtab_index].st_name; - if (reloc_type != R_ARM_JUMP_SLOT) { + if (unlikely(reloc_type != R_ARM_JUMP_SLOT)) { _dl_dprintf(2, "%s: Incorrect relocation type in jump relocations\n", _dl_progname); _dl_exit(1); @@ -151,7 +151,7 @@ unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry) /* Get the address of the GOT entry */ new_addr = _dl_find_hash(symname, tpnt->symbol_scope, ELF_RTYPE_CLASS_PLT); - if (!new_addr) { + if (unlikely(!new_addr)) { _dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname); _dl_exit(1); @@ -223,7 +223,7 @@ _dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope, if (symtab_index) _dl_dprintf(2, "symbol '%s': ", strtab + symtab[symtab_index].st_name); - if (res <0) + if (unlikely(res <0)) { int reloc_type = ELF32_R_TYPE(rpnt->r_info); #if defined (__SUPPORT_LD_DEBUG__) @@ -233,7 +233,7 @@ _dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope, #endif _dl_exit(-res); } - else if (res >0) + if (unlikely(res >0)) { _dl_dprintf(2, "can't resolve symbol\n"); goof += res; @@ -321,7 +321,7 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope, newvalue = fix_bad_pc24(reloc_addr, symbol_addr) - (unsigned long)reloc_addr + (addend << 2); topbits = newvalue & 0xfe000000; - if (topbits != 0xfe000000 && topbits != 0x00000000) + if (unlikely(topbits != 0xfe000000 && topbits != 0x00000000)) { _dl_dprintf(2,"symbol '%s': R_ARM_PC24 relocation out of range.", symtab[symtab_index].st_name); |