+2009-04-10 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/39701
+ * doc/invoke.texi (Optimization Options): Document change in
+ meaning and initialization of -fdelete-null-pointer-checks.
+
+2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/39701
+ * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
+
+ * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
+ here.
+
+ * doc/invoke.texi: Update -fdelete-null-pointer-checks.
+
+2009-04-10 Chao-ying Fu <fu@mips.com>
+
+ * doc/tm.texi (Instruction Output): Document
+ TARGET_ASM_FINAL_POSTSCAN_INSN.
+ * target.h (final_postscan_insn): New field in asm_out.
+ * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
+ (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
+ * final.c (final_scan_insn): Call
+ targetm.asm_out.final_postscan_insn after outputting
+ an asm macro and a normal instruction.
+
+ * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
+ * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
+ * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
+ (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
+ (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
+
+2009-04-10 Paolo Bonzini <bonzini@gnu.org>
+
+ PR middle-end/39701
+ * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
+ variables as non-NULL even with -fdelete-null-pointer-checks.
+
+2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
+
+2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39678
+ * config/i386/i386.c (classify_argument): Handle SCmode with
+ (bit_offset % 64) != 0.
+
+2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Optimize Options): Add cross-reference to
+ -Q --help=optimizers examples.
+
+2009-04-10 Ben Elliston <bje@au.ibm.com>
+
+ PR target/36800
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
+ regalign for the reg == fpr and TDmode case.
+
2009-04-09 David Ayers <ayers@fsfe.org>
PR objc/29200
* expmed.c (expand_divmod): Always use a comparison for a division
by a large unsigned integer.
- * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
- for things others than variables or functions as nonzero.
+ * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
+ for things others than variables or functions as nonzero.
2009-04-09 Nick Clifton <nickc@redhat.com>
2009-04-09 Paolo Bonzini <bonzini@gnu.org>
- * config/i386/i386.md (cmpcc): New.
- * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
- (sync_compare_and_swap_cc*): Delete.
-
- * config/s390/s390.c (s390_compare_emitted): Remove.
- (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
- s390_compare_emitted used to be handled. Assert that modes match.
- (s390_emit_compare_and_swap): Use s390_emit_compare, do not
- refer to sync_compare_and_swap_ccsi.
- * config/s390/s390.h (s390_compare_emitted): Remove.
- * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
- instead of s390_compare_emitted.
- (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
- instead of s390_compare_emitted.
- * config/s390/s390.md (cmpcc): New.
- (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
- CC_REGNUM, do not pretend it's set.
- (sync_compare_and_swap_cc*): Delete.
- * config/s390/predicates.md (cc_reg_operand): New.
-
- * expr.c (sync_compare_and_swap_cc): Delete.
- * optabs.h (sync_compare_and_swap_cc): Delete.
- * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
- is being used with can_compare_p.
- (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
- (find_cc_set): New.
- (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
- look for a MODE_CC set instead. Use emit_store_flag.
- (expand_compare_and_swap_loop): Likewise, with some additional
- complication to avoid a force_reg when useless. Use
- emit_cmp_and_jump_insns.
- * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
- * doc/md.texi (sync_compare_and_swap_cc): Merge with
- sync_compare_and_swap documentation.
+ * config/i386/i386.md (cmpcc): New.
+ * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
+ (sync_compare_and_swap_cc*): Delete.
+
+ * config/s390/s390.c (s390_compare_emitted): Remove.
+ (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
+ s390_compare_emitted used to be handled. Assert that modes match.
+ (s390_emit_compare_and_swap): Use s390_emit_compare, do not
+ refer to sync_compare_and_swap_ccsi.
+ * config/s390/s390.h (s390_compare_emitted): Remove.
+ * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
+ instead of s390_compare_emitted.
+ (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
+ instead of s390_compare_emitted.
+ * config/s390/s390.md (cmpcc): New.
+ (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
+ CC_REGNUM, do not pretend it's set.
+ (sync_compare_and_swap_cc*): Delete.
+ * config/s390/predicates.md (cc_reg_operand): New.
+
+ * expr.c (sync_compare_and_swap_cc): Delete.
+ * optabs.h (sync_compare_and_swap_cc): Delete.
+ * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
+ is being used with can_compare_p.
+ (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
+ (find_cc_set): New.
+ (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
+ look for a MODE_CC set instead. Use emit_store_flag.
+ (expand_compare_and_swap_loop): Likewise, with some additional
+ complication to avoid a force_reg when useless. Use
+ emit_cmp_and_jump_insns.
+ * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
+ * doc/md.texi (sync_compare_and_swap_cc): Merge with
+ sync_compare_and_swap documentation.
2009-04-09 Jan Hubicka <jh@suse.cz>