diff options
| -rw-r--r-- | gcc/ChangeLog | 75 | ||||
| -rw-r--r-- | gcc/dojump.c | 32 |
2 files changed, 54 insertions, 53 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9e38a2a7844..68e12d9e7c9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,32 +1,39 @@ +2004-08-18 Zack Weinberg <zack@codesourcery.com> + + * dojump.c (do_jump <unordered_bcc>): Do not recursively call + self with a TRUTH_ORIF_EXPR; generate the appropriate jump + sequence inline. Move drop_through_label code into this + block, being the only place it is used. Adjust comments. + 2004-08-18 Fariborz Jahanian <fjahanian@apple.com> - * config/rs6000/altivec.md: Add new patterns for calls to - save_world/rest_world functions. - - * config/rs6000/rs6000-protos.h: (save_world_operation, - restore_world_operation) new declarations. - - * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p - field added. - (rs6000_stack_info): Set world_save_p field. - (save_world_operation): New function. - (restore_world_operation): New function. - (compute_save_world_info): New function. - (rs6000_stack_info): Call compute_save_world_info. - (rs6000_emit_prologue): Check for world_save_p and generate - pattern to call save_world for saving all non-volatile and - special registers. - (rs6000_emit_epilogue): Check for world_save_p and generate - pattern to call rest_world to restore saved registers. - - config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO, - FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined. - (rs6000_reg_names): New entries added for save_world_operation and - restore_world_operation. + * config/rs6000/altivec.md: Add new patterns for calls to + save_world/rest_world functions. + + * config/rs6000/rs6000-protos.h: (save_world_operation, + restore_world_operation) new declarations. + + * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p + field added. + (rs6000_stack_info): Set world_save_p field. + (save_world_operation): New function. + (restore_world_operation): New function. + (compute_save_world_info): New function. + (rs6000_stack_info): Call compute_save_world_info. + (rs6000_emit_prologue): Check for world_save_p and generate + pattern to call save_world for saving all non-volatile and + special registers. + (rs6000_emit_epilogue): Check for world_save_p and generate + pattern to call rest_world to restore saved registers. + + config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO, + FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined. + (rs6000_reg_names): New entries added for save_world_operation and + restore_world_operation. 2004-08-18 Caroline Tice <ctice@apple.com> - * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add + * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add "-freorder-blocks-and-partition" to the flags used in second stage of profiledbootstrap. * bb-reorder.c (push_to_next_round_p): Add new variable, @@ -88,7 +95,7 @@ * opts.c (decode_options): If both partitioning and DWARF debugging are turned on, issue a warning that this doesn't work, and change partitiong to basic block reordering (without hot/cold partitions). - * passes.c (rest_of_handle_final): Re-set new global variable, + * passes.c (rest_of_handle_final): Re-set new global variable, user_defined_section_attribute, to false. (rest_of_compilation): Change options for calling partitioning function: Don't call if the user defined the section attribute, and @@ -104,7 +111,7 @@ * varasm.c (unlikely_section_label): New global variable. (unlikely_text_section_name): New global variable. (unlikely_text_section): Add code to initialize unlikely_text_section_name - if necessary; modify to use unlikely_text_section_name and + if necessary; modify to use unlikely_text_section_name and unlikely_section_label; also to use named_section properly. (in_unlikely_text_section): Modify to work correctly with named_section and to use unlikely_text_section_name. @@ -112,7 +119,7 @@ (function_section): Clean up if-statement. * config/darwin.c (darwin_asm_named_section): Return to original code, removing use of SECTION_FORMAT_STRING. - * config/arm/pe.h (switch_to_section): Add case for + * config/arm/pe.h (switch_to_section): Add case for in_unlikely_executed_text to switch statement. * config/i386/cygming.h (switch_to_section): Likewise. * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove. @@ -174,7 +181,7 @@ (prescan_loop): Likewise. Don't check function usage for clobbered unchanging memory. * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P, - not RTX_UNCHANGING_P. + not RTX_UNCHANGING_P. (rtx_varies_p, modified_between_p, modified_in_p): Likewise. * varasm.c (force_const_mem): Likewise. * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P. @@ -191,7 +198,7 @@ MEM_READONLY_P instead of RTX_UNCHANGING_P. (machopic_indirect_call_target): Likewise. (machopic_legitimize_pic_address): Likewise. - * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple, + * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple, arm_gen_store_multiple, arm_gen_movmemqi): Likewise. * config/arm/arm.md (load_multiple, store_multiple): Likewise. * config/frv/frv.md (symGOT2reg): Likewise. @@ -303,7 +310,7 @@ xstormy16_below100_operand, xstormy16_below100_or_register, xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New. (PREDICATE_CODES): Add new predicates. - + * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol, xstormy16_below100_operand, xstormy16_below100_or_register, @@ -347,8 +354,8 @@ * doc/invoke.texi (-fkeep-inline-functions): Update documentation. 2004-08-17 Robert Bowdidge <bowdidge@apple.com> - - * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags. + + * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags. 2004-08-17 Andreas Tobler <a.tobler@schweiz.ch> @@ -388,7 +395,7 @@ * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this file. * tree-flow.h (vectorize_loops, empty_block_p): Add declaration. * tree-optimize.c (pass_vectorize): Schedule the vectorization pass. - * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new + * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new vectorization pass. * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize. (tree_ssa_loop_done): Call scev_finalize. @@ -475,7 +482,7 @@ 2004-08-16 Adam Nemet <anemet@lnxw.com> * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB). - + 2004-08-16 Andrew Pinski <apinski@apple.com> * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove diff --git a/gcc/dojump.c b/gcc/dojump.c index 3877f79de73..eb4f21c5a52 100644 --- a/gcc/dojump.c +++ b/gcc/dojump.c @@ -149,19 +149,12 @@ prefer_and_bit_test (enum machine_mode mode, int bitnum) do_jump always does any pending stack adjust except when it does not actually perform a jump. An example where there is no jump - is when EXP is `(foo (), 0)' and IF_FALSE_LABEL is null. - - This function is responsible for optimizing cases such as - &&, || and comparison operators in EXP. */ + is when EXP is `(foo (), 0)' and IF_FALSE_LABEL is null. */ void do_jump (tree exp, rtx if_false_label, rtx if_true_label) { enum tree_code code = TREE_CODE (exp); - /* Some cases need to create a label to jump to - in order to properly fall through. - These cases set DROP_THROUGH_LABEL nonzero. */ - rtx drop_through_label = 0; rtx temp; int i; tree type; @@ -448,13 +441,23 @@ do_jump (tree exp, rtx if_false_label, rtx if_true_label) tree op0 = save_expr (TREE_OPERAND (exp, 0)); tree op1 = save_expr (TREE_OPERAND (exp, 1)); tree cmp0, cmp1; + rtx drop_through_label = 0; /* If the target doesn't support combined unordered compares, decompose into two comparisons. */ + if (if_true_label == 0) + drop_through_label = if_true_label = gen_label_rtx (); + cmp0 = fold (build2 (tcode1, TREE_TYPE (exp), op0, op1)); cmp1 = fold (build2 (tcode2, TREE_TYPE (exp), op0, op1)); - exp = build2 (TRUTH_ORIF_EXPR, TREE_TYPE (exp), cmp0, cmp1); - do_jump (exp, if_false_label, if_true_label); + do_jump (cmp0, 0, if_true_label); + do_jump (cmp1, if_false_label, if_true_label); + + if (drop_through_label) + { + do_pending_stack_adjust (); + emit_label (drop_through_label); + } } } break; @@ -528,15 +531,6 @@ do_jump (tree exp, rtx if_false_label, rtx if_true_label) else abort (); } - - if (drop_through_label) - { - /* If do_jump produces code that might be jumped around, - do any stack adjusts from that code, before the place - where control merges in. */ - do_pending_stack_adjust (); - emit_label (drop_through_label); - } } /* Given a comparison expression EXP for values too wide to be compared |