diff options
| author | Roland McGrath <roland@hack.frob.com> | 2014-10-22 14:20:35 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2014-10-22 14:20:35 -0700 |
| commit | 8c2b1ed8bbd20d35314c2a602b903159fa567ffb (patch) | |
| tree | 4a9e06786fdb32c5558cdae218af3b4ff0b78af6 /ChangeLog | |
| parent | b5af9297d51a43f96c5be1bafab032184690dd6f (diff) | |
ARM: Use movw/movt more when available
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -1,3 +1,30 @@ +2014-10-22 Roland McGrath <roland@hack.frob.com> + + * sysdeps/arm/__longjmp.S [NEED_HWCAP] [IS_IN_rtld]: Use LDST_PCREL + macro to get at the _rt_local_ro field. + [NEED_HWCAP] [!IS_IN_rtld]: Use LDR_GLOBAL to get at _rtld_global_ro + ([PIC] case) or _dl_hwcap ([!PIC] case). + * sysdeps/arm/setjmp.S: Likewise. + + * config.h.in (ARM_PCREL_MOVW_OK): New macro. + * sysdeps/arm/configure.ac: New check to define it. + * sysdeps/arm/configure: Regenerated. + * sysdeps/arm/sysdep.h [__ASSEMBLER__]: Include <arm-features.h>. + (LDST_INDEXED_NOINDEX, LDST_INDEXED_INDEX): New macros. + (LDST_INDEXED, LDST_PC_INDEXED): New macros, differing definitions + depending on [ARM_NO_INDEX_REGISTER] and [__thumb2__]. + (LDST_PCREL) [!__thumb2__ && ARCH_HAS_T2 && ARM_PCREL_MOVW_OK]: + Use move/movt pair instead of a load. + (LDST_GLOBAL): Macro removed. + (LDR_GLOBAL): New macro replaces it. + (LDR_HIDDEN): New macro. + (PTR_MANGLE_LOAD): Use LDR_GLOBAL rather than LDST_GLOBAL. + Use LDR_HIDDEN instead for __pointer_chk_guard_local. + + * setjmp/tst-setjmp-static.c: New file. + * setjmp/Makefile (tests): Add it. + (tests-static): New variable. + 2014-10-22 Maciej W. Rozycki <macro@codesourcery.com> [BZ #17485] |