diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2009-12-13 23:00:53 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2009-12-13 23:00:53 +0000 |
| commit | 82b68940a30019eb2b4c18f3402e56d2c4b39891 (patch) | |
| tree | 80e91f0f3e1c1df6cf7df2dd11df4b89727041e3 | |
| parent | 840a82bab8661de20dd5603f123d325d6de5a004 (diff) | |
| download | gcc-82b68940a30019eb2b4c18f3402e56d2c4b39891.zip gcc-82b68940a30019eb2b4c18f3402e56d2c4b39891.tar.gz gcc-82b68940a30019eb2b4c18f3402e56d2c4b39891.tar.bz2 | |
tm.texi (STACK_CHECK_PROBE_LOAD): Delete.
* doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete.
* expr.h (STACK_CHECK_PROBE_LOAD): Likewise.
* explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD.
* system.h (STACK_CHECK_PROBE_LOAD): Poison.
From-SVN: r155199
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 6 | ||||
| -rw-r--r-- | gcc/explow.c | 3 | ||||
| -rw-r--r-- | gcc/expr.h | 5 | ||||
| -rw-r--r-- | gcc/system.h | 6 |
5 files changed, 10 insertions, 17 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5b692ab..aef5631 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2009-12-13 Eric Botcazou <ebotcazou@adacore.com> + + * doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete. + * expr.h (STACK_CHECK_PROBE_LOAD): Likewise. + * explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD. + * system.h (STACK_CHECK_PROBE_LOAD): Poison. + 2009-12-13 Michael Matz <matz@suse.de> PR tree-optimization/42027 diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 3950967..9a9d493 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3564,12 +3564,6 @@ the ``guard pages'' at the end of a stack area. The default value of 12 (4096-byte interval) is suitable for most systems. @end defmac -@defmac STACK_CHECK_PROBE_LOAD -An integer which is nonzero if GCC should perform the stack probe -as a load instruction and zero if GCC should use a store instruction. -The default is zero, which is the most efficient choice on most systems. -@end defmac - @defmac STACK_CHECK_MOVING_SP An integer which is nonzero if GCC should move the stack pointer page by page when doing probes. This can be necessary on systems where the stack pointer diff --git a/gcc/explow.c b/gcc/explow.c index 4d1d24e..1f66f3e 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -1366,9 +1366,6 @@ emit_stack_probe (rtx address) emit_insn (gen_probe_stack (memref)); else #endif - if (STACK_CHECK_PROBE_LOAD) - emit_move_insn (gen_reg_rtx (word_mode), memref); - else emit_move_insn (memref, const0_rtx); } @@ -223,11 +223,6 @@ do { \ #define STACK_CHECK_PROBE_INTERVAL_EXP 12 #endif -/* The default is to do a store into the stack. */ -#ifndef STACK_CHECK_PROBE_LOAD -#define STACK_CHECK_PROBE_LOAD 0 -#endif - /* The default is not to move the stack pointer. */ #ifndef STACK_CHECK_MOVING_SP #define STACK_CHECK_MOVING_SP 0 diff --git a/gcc/system.h b/gcc/system.h index 03910d0..3f7732f 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -756,12 +756,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \ LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \ TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \ - PREDICATE_CODES SPECIAL_MODE_PREDICATES \ + PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \ EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \ TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \ SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \ - ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP \ - ASM_MAKE_LABEL_LINKONCE STACK_CHECK_PROBE_INTERVAL + ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \ + STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD /* Hooks that are no longer used. */ #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \ |