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rs6000.c (rs6000_flag_pic): Delete. 

* config/rs6000/rs6000.c (rs6000_flag_pic): Delete.
	(rs6000_xcoff_encode_section_info): #ifdef TARGET_XCOFF.
	(rs6000_binds_local_p, TARGET_BINDS_LOCAL_P): #if TARGET_MACHO.
	(rs6000_override_options): Don't clear flag_pic for ABI_AIX.
	(rs6000_legitimize_address): Formatting.
	(rs6000_emit_move): Likewise.
	(rs6000_return_addr): Test ABI_AIX as well as flag_pic.
	(rs6000_emit_prologue <save_LR_around_toc_setup>): Likewise.
	(rs6000_elf_select_section): Comment reason for shlib being
	set for ABI_AIX.
	(rs6000_elf_unique_section): Likewise.
	(rs6000_elf_encode_section_info): Test !TARGET_AIX as well as ABI_AIX.
	* config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Test ABI_AIX
	as well as flag_pic.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(MINIMAL_TOC_SECTION_ASM_OP): Likewise.
	* config/rs6000/linux64.h (TARGET_ENCODE_SECTION_INFO): Don't define.

From-SVN: r64304
This commit is contained in:
Alan Modra 2003-03-13 10:35:47 +00:00 committed by Alan Modra
parent 599aedd920
commit f138425784
5 changed files with 56 additions and 33 deletions
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20
gcc/ChangeLog
View File

@ -1,3 +1,23 @@
2003-03-13 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_flag_pic): Delete.
(rs6000_xcoff_encode_section_info): #ifdef TARGET_XCOFF.
(rs6000_binds_local_p, TARGET_BINDS_LOCAL_P): #if TARGET_MACHO.
(rs6000_override_options): Don't clear flag_pic for ABI_AIX.
(rs6000_legitimize_address): Formatting.
(rs6000_emit_move): Likewise.
(rs6000_return_addr): Test ABI_AIX as well as flag_pic.
(rs6000_emit_prologue <save_LR_around_toc_setup>): Likewise.
(rs6000_elf_select_section): Comment reason for shlib being
set for ABI_AIX.
(rs6000_elf_unique_section): Likewise.
(rs6000_elf_encode_section_info): Test !TARGET_AIX as well as ABI_AIX.
* config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Test ABI_AIX
as well as flag_pic.
* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
(MINIMAL_TOC_SECTION_ASM_OP): Likewise.
* config/rs6000/linux64.h (TARGET_ENCODE_SECTION_INFO): Don't define.
2003-03-13 Richard Henderson <rth@redhat.com>
* emit-rtl.c (try_split): Handle 1-1 splits of call insns properly.

5
gcc/config/rs6000/linux64.h
View File

@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler,
for 64 bit PowerPC linux.
Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -221,9 +221,6 @@ Boston, MA 02111-1307, USA. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO rs6000_xcoff_encode_section_info
/* This is how to output a reference to a user-level label named NAME.
`assemble_name' uses this. */

51
gcc/config/rs6000/rs6000.c
View File

@ -97,9 +97,6 @@ const char *rs6000_isel_string;
/* Set to nonzero once AIX common-mode calls have been defined. */
static GTY(()) int common_mode_defined;
/* Private copy of original value of flag_pic for ABI_AIX. */
static int rs6000_flag_pic;
/* Save information from a "cmpxx" operation until the branch or scc is
emitted. */
rtx rs6000_compare_op0, rs6000_compare_op1;
@ -225,10 +222,12 @@ static void rs6000_xcoff_select_rtx_section PARAMS ((enum machine_mode, rtx,
unsigned HOST_WIDE_INT));
static const char * rs6000_xcoff_strip_name_encoding PARAMS ((const char *));
static unsigned int rs6000_xcoff_section_type_flags PARAMS ((tree, const char *, int));
#endif
static void rs6000_xcoff_encode_section_info PARAMS ((tree, int))
ATTRIBUTE_UNUSED;
#endif
#if TARGET_MACHO
static bool rs6000_binds_local_p PARAMS ((tree));
#endif
static int rs6000_use_dfa_pipeline_interface PARAMS ((void));
static int rs6000_variable_issue PARAMS ((FILE *, int, rtx, int));
static bool rs6000_rtx_costs PARAMS ((rtx, int, int, int *));
@ -403,8 +402,10 @@ static const char alt_reg_names[][8] =
#undef TARGET_EXPAND_BUILTIN
#define TARGET_EXPAND_BUILTIN rs6000_expand_builtin
#if TARGET_MACHO
#undef TARGET_BINDS_LOCAL_P
#define TARGET_BINDS_LOCAL_P rs6000_binds_local_p
#endif
#undef TARGET_ASM_OUTPUT_MI_THUNK
#define TARGET_ASM_OUTPUT_MI_THUNK rs6000_output_mi_thunk
@ -637,12 +638,6 @@ rs6000_override_options (default_cpu)
}
}
if (flag_pic != 0 && DEFAULT_ABI == ABI_AIX)
{
rs6000_flag_pic = flag_pic;
flag_pic = 0;
}
/* Set debug flags */
if (rs6000_debug_name)
{
@ -2215,7 +2210,10 @@ rs6000_legitimize_address (x, oldx, mode)
return force_reg (Pmode, x);
}
else if (TARGET_ELF && TARGET_32BIT && TARGET_NO_TOC && ! flag_pic
else if (TARGET_ELF
&& TARGET_32BIT
&& TARGET_NO_TOC
&& ! flag_pic
&& GET_CODE (x) != CONST_INT
&& GET_CODE (x) != CONST_DOUBLE
&& CONSTANT_P (x)
@ -2770,7 +2768,8 @@ rs6000_emit_move (dest, source, mode)
}
if ((TARGET_ELF || DEFAULT_ABI == ABI_DARWIN)
&& TARGET_NO_TOC && ! flag_pic
&& TARGET_NO_TOC
&& ! flag_pic
&& mode == Pmode
&& CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != HIGH
@ -9650,7 +9649,7 @@ rs6000_return_addr (count, frame)
/* Currently we don't optimize very well between prolog and body
code and for PIC code the code can be actually quite bad, so
don't try to be too clever here. */
if (count != 0 || flag_pic != 0)
if (count != 0 || (DEFAULT_ABI != ABI_AIX && flag_pic))
{
cfun->machine->ra_needs_full_frame = 1;
@ -10761,7 +10760,9 @@ rs6000_emit_prologue ()
it. We use R11 for this purpose because emit_load_toc_table
can use register 0. This allows us to use a plain 'blr' to return
from the procedure more often. */
int save_LR_around_toc_setup = (TARGET_ELF && flag_pic != 0
int save_LR_around_toc_setup = (TARGET_ELF
&& DEFAULT_ABI != ABI_AIX
&& flag_pic
&& ! info->lr_save_p
&& EXIT_BLOCK_PTR->pred != NULL);
if (save_LR_around_toc_setup)
@ -12715,6 +12716,10 @@ rs6000_elf_select_section (decl, reloc, align)
int reloc;
unsigned HOST_WIDE_INT align;
{
/* Pretend that we're always building for a shared library when
ABI_AIX, because otherwise we end up with dynamic relocations
in read-only sections. This happens for function pointers,
references to vtables in typeinfo, and probably other cases. */
default_elf_select_section_1 (decl, reloc, align,
flag_pic || DEFAULT_ABI == ABI_AIX);
}
@ -12732,10 +12737,11 @@ rs6000_elf_unique_section (decl, reloc)
tree decl;
int reloc;
{
/* As above, pretend that we're always building for a shared library
when ABI_AIX, to avoid dynamic relocations in read-only sections. */
default_unique_section_1 (decl, reloc,
flag_pic || DEFAULT_ABI == ABI_AIX);
}
/* If we are referencing a function that is static or is known to be
in this file, make the SYMBOL_REF special. We can use this to indicate
@ -12759,7 +12765,7 @@ rs6000_elf_encode_section_info (decl, first)
if ((*targetm.binds_local_p) (decl))
SYMBOL_REF_FLAG (sym_ref) = 1;
if (DEFAULT_ABI == ABI_AIX)
if (!TARGET_AIX && DEFAULT_ABI == ABI_AIX)
{
size_t len1 = (DEFAULT_ABI == ABI_AIX) ? 1 : 2;
size_t len2 = strlen (XSTR (sym_ref, 0));
@ -13438,10 +13444,6 @@ rs6000_xcoff_section_type_flags (decl, name, reloc)
return flags | (exact_log2 (align) & SECTION_ENTSIZE);
}
#endif /* TARGET_XCOFF */
/* Note that this is also used for PPC64 Linux. */
static void
rs6000_xcoff_encode_section_info (decl, first)
tree decl;
@ -13451,18 +13453,19 @@ rs6000_xcoff_encode_section_info (decl, first)
&& (*targetm.binds_local_p) (decl))
SYMBOL_REF_FLAG (XEXP (DECL_RTL (decl), 0)) = 1;
}
#endif /* TARGET_XCOFF */
/* Cross-module name binding. For AIX and PPC64 Linux, which always are
PIC, use private copy of flag_pic. Darwin does not support overriding
#if TARGET_MACHO
/* Cross-module name binding. Darwin does not support overriding
functions at dynamic-link time. */
static bool
rs6000_binds_local_p (decl)
tree decl;
{
return default_binds_local_p_1 (decl,
DEFAULT_ABI == ABI_DARWIN ? 0 : flag_pic || rs6000_flag_pic);
return default_binds_local_p_1 (decl, 0);
}
#endif
/* Compute a (partial) cost for rtx X. Return true if the complete
cost has been computed, and false if subexpressions should be

3
gcc/config/rs6000/rs6000.h
View File

@ -2103,7 +2103,8 @@ typedef struct rs6000_args
#define LEGITIMATE_LO_SUM_ADDRESS_P(MODE, X, STRICT) \
(TARGET_ELF \
&& ! flag_pic && ! TARGET_TOC \
&& (DEFAULT_ABI == ABI_AIX || ! flag_pic) \
&& ! TARGET_TOC \
&& GET_MODE_NUNITS (MODE) == 1 \
&& (GET_MODE_BITSIZE (MODE) <= 32 \
|| (TARGET_HARD_FLOAT && TARGET_FPRS && (MODE) == DFmode)) \

10
gcc/config/rs6000/sysv4.h
View File

@ -247,8 +247,9 @@ do { \
rs6000_sdata_name); \
} \
\
else if (flag_pic && \
(rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
else if (flag_pic && DEFAULT_ABI != ABI_AIX \
&& (rs6000_sdata == SDATA_EABI \
|| rs6000_sdata == SDATA_SYSV)) \
{ \
rs6000_sdata = SDATA_DATA; \
error ("-f%s and -msdata=%s are incompatible", \
@ -292,7 +293,7 @@ do { \
} \
\
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1) \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
\
else if (TARGET_RELOCATABLE) \
@ -421,7 +422,8 @@ do { \
/* Put PC relative got entries in .got2. */
#define MINIMAL_TOC_SECTION_ASM_OP \
((TARGET_RELOCATABLE || flag_pic) ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
(TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \
? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
#define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
#define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""