* expmed.c (expand_mult_highpart_optab): When attempting to use
a non-widening multiplication in a wider mode, the operands need
to be converted (zero or sign extended) to that mode.
From-SVN: r94383
PR middle-end/16558
PR middle-end/19583
* gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
through if both operands fall through.
From-SVN: r94381
* cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
cse_reg_info_used_list_end): Remove.
(cse_reg_info_list, cse_reg_info_list_free): New.
(get_cse_reg_info): When allocating an instance of
cse_reg_info, add it to the beginning of the cse_reg_info_list
list. Remove code to maintain cse_reg_info_used_list.
(new_basic_block): Reset the free list to the beginning of
cse_reg_info_list.
From-SVN: r94375
* config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
(frv_init_builtins): Change its prototype to take 4 uhalf arguments.
(frv_expand_mdpackh_builtin): New function.
(frv_expand_builtin): Use it to expand __MDPACKH.
* config/frv/media.h (__MDPACKH): Update prototype.
* doc/extend.texi (__MDPACKH): Update documentation.
From-SVN: r94371
2005-01-28 Paolo Carlini <pcarlini@suse.de>
* include/tr1/type_traits: Implement is_abstract, by exploiting the
resolution of DR core/337.
* testsuite/testsuite_tr1.h: Add AbstractClass.
* testsuite/tr1/4_metaprogramming/type_properties/is_abstract/
is_abstract.cc: New.
* testsuite/tr1/4_metaprogramming/type_properties/is_abstract/
typedefs.cc: Likewise.
* include/tr1/type_traits (is_function): Rewrite, use the conversion
F& -> F* instead, thus avoiding problems with abstract classes.
* testsuite/tr1/4_metaprogramming/primary_type_categories/
is_function/is_function.cc: Add a test for tricky AbstractClass.
From-SVN: r94370
* cse.c: (find_best_addr): Don't call copy_rtx before calling
fold_rtx. Save cost recomputation if fold_rtx did nothing.
(fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
NULL_RTX.
Co-Authored-By: Kazu Hirata <kazu@cs.umass.edu>
From-SVN: r94345
* tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
definitions of SSA_NAMEs which are not being rewritten.
(rewrite_ssa_into_ssa): Only initialize the current definition
of an SSA_NAME if that SSA_NAME has been marked for rewriting.
If checking is enabled, assert that SSA_NAME_AUX is clear for all
SSA_NAMEs before returning.
From-SVN: r94343
* gcc.dg/mips-nmadd-1.c, gcc.dg/mips-nmadd-2.c, gcc.dg/mips-rsqrt-1.c,
* gcc.dg/mips-rsqrt-2, gcc.dg/mips-rsqrt-3.c: Add dummy asm statements
to cope with cases where the multilib options override the dg-options.
From-SVN: r94331
PR middle-end/17278
* opts.c (decode_options): Move flag_thread_jumps from -O1 and
higher to -O2 and higher. Likewise for tree PRE.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
and better.
From-SVN: r94325
PR middle-end/19583
* gimple-low.c (try_catch_may_fallthru): New static function.
(block_may_fallthru): Handle TRY_CATCH_EXPR.
* tree-inline.c (expand_call_inline): Don't warn about reaching
the end of a non-void function being inlined if the function uses
a return slot.
From-SVN: r94323
PR tree-optimization/19633
* tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
CALL_EXPRs.
(maybe_create_global_var): Do not create .GLOBAL_VAR if there
are no call-clobbered variables.
* tree-outof-ssa.c (check_replaceable): Return false for calls
with side-effects.
testsuite/ChangeLog
PR tree-optimization/19633
* gcc.dg/pr19633.c: New test.
* gcc.dg/tree-ssa/pr19633.c: New test.
From-SVN: r94311
ChangeLog:
* dbxout.c (dbxout_symbol_location): Resolve constant pool references
even for variables with NULL DECL_INITIAL.
testsuite/ChangeLog:
* gcc.dg/20041216-1.c: New test.
From-SVN: r94303
* trans-decl.c (gfc_build_label_decl): Set DECL_ARTIFICAL and
TREE_USED for all labels.
(gfc_trans_entry_master_switch): Use it instead of building a
label by hand.
* trans-io.c (add_case): Likewise.
* trans-stmt.c (gfc_trans_integer_select): Likewise.
From-SVN: r94299
PR middle-end/18008
* c-decl.c (finish_struct): Set DECL_MODE after resetting a
field's type.
* expr.c (store_field): Strip conversions to odd-bit-sized types
if the destination field width matches.
From-SVN: r94294
PR middle-end/18008
* c-decl.c (finish_struct): Set DECL_MODE after resetting a
field's type.
* expmed.c (store_fixed_bit_field): Create a paradoxical subreg
if we don't need the bits above those present in the current mode.
* expr.c (store_field): Strip conversions to odd-bit-sized types
if the destination field width matches.
From-SVN: r94290
PR target/19293
PR target/19329
* config/avr/avr.c (notice_update_cc): Only set condition code for
ashrqi3 if shift count > 0.
(out_shift_with_cnt): Handle shift count <= 0 as a no-op.
(ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
count <= 0 as a no-op, and shift count >= width by copying zero
or sign bit to all bits of the result.
* config/avr/avr.md (all shifts): Add alternatives for zero shift
count, with attribute "length" set to 0 and "cc" set to "none".
From-SVN: r94288
