gcc: small diff reduction wrt gcc43 and Apple GCC.
Obtained from: gcc 4.3 (rev. 121464, 122528, 124106; GPLv2) MFC after: 3 weeks
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=260073
@ -156,6 +156,15 @@
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* reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
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instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
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2007-04-24 Richard Henderson <rth@redhat.com> (r124106)
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* libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
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IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
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* libgcc2.c (__floatdisf): Avoid double-word arithmetic when
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looking for non-zero bits shifted out. Avoid a recursive call
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when constructing the scalar.
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(__floatundisf): Likewise.
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2007-04-16 Lawrence Crowl <crowl@google.com> (r123909)
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* doc/invoke.texi (Debugging Options): Add documentation for the
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@ -248,6 +257,11 @@
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* tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
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the *_DIV_EXPR codes correctly with overflow infinities.
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2007-03-04 Zdenek Dvorak <dvorakz@suse.cz> (r122528)
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* tree-ssa-address.c (create_mem_ref): Do not put an expression
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containing a cast to the base of TARGET_MEM_REF.
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2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> (r121763)
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* config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
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@ -424,6 +438,11 @@
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and amdfam10.
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* doc/extend.texi: Add documentation for SSE4A builtins.
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2007-02-01 Zdenek Dvorak <dvorakz@suse.cz> (r121464)
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* toplev.c (lang_dependent_init): Call init_set_costs.
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* loop-init.c (loop_optimizer_init): Do not call init_set_costs.
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2007-01-24 Jakub Jelinek <jakub@redhat.com> (r121140)
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* config/i386/i386.h (x86_cmpxchg16b): Remove const.
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@ -314,6 +314,12 @@
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PR c++/30895
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* tree.c (cp_tree_equal): Properly handle COMPLEX_CST trees.
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2007-03-02 Geoffrey Keating <geoffk@apple.com> (r122488)
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* g++spec.c (lang_specific_driver): Add -lstdc++ when compiling
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Objective-C++. Don't exit early if -shared-libgcc needs to be
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added.
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2007-02-22 Simon Martin <simartin@users.sourceforge.net>
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PR c++/29475
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@ -159,11 +159,19 @@ lang_specific_driver (int *in_argc, const char *const **in_argv,
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arg = "";
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if (library == 0
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&& (strcmp (arg, "c++") == 0
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|| strcmp (arg, "c++-cpp-output") == 0))
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|| strcmp (arg, "c++-cpp-output") == 0
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|| strcmp (arg, "objective-c++") == 0
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|| strcmp (arg, "objective-c++-cpp-output") == 0))
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library = 1;
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saw_speclang = 1;
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}
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else if (strcmp (argv[i], "-ObjC++") == 0)
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{
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if (library == 0)
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library = 1;
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saw_speclang = 1;
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}
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/* Arguments that go directly to the linker might be .o files,
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or something, and so might cause libstdc++ to be needed. */
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else if (strcmp (argv[i], "-Xlinker") == 0)
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@ -237,13 +245,6 @@ lang_specific_driver (int *in_argc, const char *const **in_argv,
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if (quote)
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fatal ("argument to '%s' missing\n", quote);
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/* If we know we don't have to do anything, bail now. */
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if (! added && library <= 0)
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{
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free (args);
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return;
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}
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/* There's no point adding -shared-libgcc if we don't have a shared
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libgcc. */
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#ifndef ENABLE_SHARED_LIBGCC
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@ -1420,11 +1420,7 @@ __floatunditf (UDWtype u)
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#define F_MODE_OK(SIZE) \
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(SIZE < DI_SIZE \
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&& SIZE > (DI_SIZE - SIZE + FSSIZE) \
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/* Don't use IBM Extended Double TFmode for TI->SF calculations. \
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The conversion from long double to float suffers from double \
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rounding, because we convert via double. In any case, the \
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fallback code is faster. */ \
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&& !IS_IBM_EXTENDED (SIZE))
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&& !AVOID_FP_TYPE_CONVERSION(SIZE))
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#if defined(L_floatdisf)
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#define FUNC __floatdisf
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#define FSTYPE SFtype
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@ -1515,13 +1511,21 @@ FUNC (DWtype u)
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hi = u >> shift;
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/* If we lost any nonzero bits, set the lsb to ensure correct rounding. */
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if (u & (((DWtype)1 << shift) - 1))
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if ((UWtype)u << (W_TYPE_SIZE - shift))
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hi |= 1;
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/* Convert the one word of data, and rescale. */
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FSTYPE f = hi;
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f *= (UDWtype)1 << shift;
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return f;
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FSTYPE f = hi, e;
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if (shift == W_TYPE_SIZE)
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e = Wtype_MAXp1_F;
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/* The following two cases could be merged if we knew that the target
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supported a native unsigned->float conversion. More often, we only
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have a signed conversion, and have to add extra fixup code. */
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else if (shift == W_TYPE_SIZE - 1)
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e = Wtype_MAXp1_F / 2;
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else
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e = (Wtype)1 << shift;
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return f * e;
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#endif
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}
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#endif
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@ -1532,11 +1536,7 @@ FUNC (DWtype u)
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#define F_MODE_OK(SIZE) \
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(SIZE < DI_SIZE \
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&& SIZE > (DI_SIZE - SIZE + FSSIZE) \
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/* Don't use IBM Extended Double TFmode for TI->SF calculations. \
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The conversion from long double to float suffers from double \
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rounding, because we convert via double. In any case, the \
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fallback code is faster. */ \
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&& !IS_IBM_EXTENDED (SIZE))
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&& !AVOID_FP_TYPE_CONVERSION(SIZE))
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#if defined(L_floatundisf)
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#define FUNC __floatundisf
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#define FSTYPE SFtype
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@ -1620,13 +1620,21 @@ FUNC (UDWtype u)
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hi = u >> shift;
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/* If we lost any nonzero bits, set the lsb to ensure correct rounding. */
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if (u & (((UDWtype)1 << shift) - 1))
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if ((UWtype)u << (W_TYPE_SIZE - shift))
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hi |= 1;
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/* Convert the one word of data, and rescale. */
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FSTYPE f = hi;
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f *= (UDWtype)1 << shift;
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return f;
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FSTYPE f = hi, e;
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if (shift == W_TYPE_SIZE)
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e = Wtype_MAXp1_F;
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/* The following two cases could be merged if we knew that the target
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supported a native unsigned->float conversion. More often, we only
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have a signed conversion, and have to add extra fixup code. */
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else if (shift == W_TYPE_SIZE - 1)
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e = Wtype_MAXp1_F / 2;
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else
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e = (Wtype)1 << shift;
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return f * e;
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#endif
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}
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#endif
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@ -119,10 +119,16 @@ extern short int __get_eh_table_version (struct exception_descriptor *);
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/* FIXME: This #ifdef probably should be removed, ie. enable the test
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for mips too. */
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/* Don't use IBM Extended Double TFmode for TI->SF calculations.
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The conversion from long double to float suffers from double
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rounding, because we convert via double. In other cases, going
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through the software fp routines is much slower than the fallback. */
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#ifdef __powerpc__
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#define IS_IBM_EXTENDED(SIZE) (SIZE == 106)
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#define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE == 106)
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#elif defined(WIDEST_HARDWARE_FP_SIZE)
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#define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE > WIDEST_HARDWARE_FP_SIZE)
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#else
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#define IS_IBM_EXTENDED(SIZE) 0
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#define AVOID_FP_TYPE_CONVERSION(SIZE) 0
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#endif
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/* In the first part of this file, we are interfacing to calls generated
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struct loops *loops = XCNEW (struct loops);
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edge e;
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edge_iterator ei;
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static bool first_time = true;
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if (first_time)
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{
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first_time = false;
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init_set_costs ();
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}
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/* Avoid annoying special cases of edges going to exit
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block. */
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@ -1948,6 +1948,11 @@ lang_dependent_init (const char *name)
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provide a dummy function context for them. */
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init_dummy_function_start ();
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init_expr_once ();
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/* Although the actions of init_set_costs are language-independent,
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it uses optabs, so we cannot call it from backend_init. */
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init_set_costs ();
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expand_dummy_function_end ();
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/* If dbx symbol table desired, initialize writing it and output the
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@ -569,7 +569,7 @@ create_mem_ref (block_stmt_iterator *bsi, tree type,
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struct affine_tree_combination *addr)
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{
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tree mem_ref, tmp;
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tree addr_type = build_pointer_type (type), atype;
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tree atype;
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struct mem_address parts;
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addr_to_parts (addr, &parts);
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@ -597,18 +597,23 @@ create_mem_ref (block_stmt_iterator *bsi, tree type,
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if (parts.symbol)
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{
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tmp = fold_convert (addr_type,
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build_addr (parts.symbol, current_function_decl));
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tmp = build_addr (parts.symbol, current_function_decl);
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gcc_assert (is_gimple_val (tmp));
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/* Add the symbol to base, eventually forcing it to register. */
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if (parts.base)
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{
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gcc_assert (TREE_TYPE (parts.base) == sizetype);
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if (parts.index)
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parts.base = force_gimple_operand_bsi (bsi,
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fold_build2 (PLUS_EXPR, addr_type,
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fold_convert (addr_type, parts.base),
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{
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atype = TREE_TYPE (tmp);
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parts.base = force_gimple_operand_bsi (bsi,
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fold_build2 (PLUS_EXPR, atype,
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fold_convert (atype, parts.base),
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tmp),
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true, NULL_TREE);
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}
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else
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{
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parts.index = parts.base;
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