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gcov: Remove TARGET_GCOV_TYPE_SIZE target hook

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This reverts commit 8cdcea51c0.

gcc/c-family/ChangeLog:

	* c-cppbuiltin.cc (c_cpp_builtins): Do not define
	__LIBGCC_GCOV_TYPE_SIZE.

gcc/ChangeLog:

	* config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Remove.
	* config/sparc/sparc.cc (sparc_gcov_type_size): Likewise.
	(TARGET_GCOV_TYPE_SIZE): Likewise.
	* coverage.cc (get_gcov_type): Use LONG_LONG_TYPE_SIZE instead
	of removed target hook.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_GCOV_TYPE_SIZE): Remove.
	* target.def: Likewise.
	* targhooks.cc (default_gcov_type_size): Likewise.
	* targhooks.h (default_gcov_type_size): Likewise.

libgcc/ChangeLog:

	* libgcov.h (gcov_type): Use LONG_LONG_TYPE_SIZE.
	(gcov_type_unsigned): Likewise.
This commit is contained in:
Sebastian Huber 2023-10-21 13:00:19 +02:00
parent 5f4499606e
commit 23d33775f9
10 changed files with 4 additions and 53 deletions
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2
gcc/c-family/c-cppbuiltin.cc
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@ -1567,8 +1567,6 @@ c_cpp_builtins (cpp_reader *pfile)
/* For libgcov. */
builtin_define_with_int_value ("__LIBGCC_VTABLE_USES_DESCRIPTORS__",
TARGET_VTABLE_USES_DESCRIPTORS);
builtin_define_with_int_value ("__LIBGCC_GCOV_TYPE_SIZE",
targetm.gcov_type_size());
}
/* For use in assembly language. */

2
gcc/config/sparc/rtemself.h
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@ -40,5 +40,3 @@
/* Use the default */
#undef LINK_GCC_C_SEQUENCE_SPEC
#define SPARC_GCOV_TYPE_SIZE 32

11
gcc/config/sparc/sparc.cc
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@ -972,17 +972,6 @@ char sparc_hard_reg_printed[8];
#undef TARGET_ZERO_CALL_USED_REGS
#define TARGET_ZERO_CALL_USED_REGS sparc_zero_call_used_regs
#ifdef SPARC_GCOV_TYPE_SIZE
static HOST_WIDE_INT
sparc_gcov_type_size (void)
{
return SPARC_GCOV_TYPE_SIZE;
}
#undef TARGET_GCOV_TYPE_SIZE
#define TARGET_GCOV_TYPE_SIZE sparc_gcov_type_size
#endif
struct gcc_target targetm = TARGET_INITIALIZER;
/* Return the memory reference contained in X if any, zero otherwise. */

2
gcc/coverage.cc
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@ -138,7 +138,7 @@ tree
get_gcov_type (void)
{
scalar_int_mode mode
= smallest_int_mode_for_size (targetm.gcov_type_size ());
= smallest_int_mode_for_size (LONG_LONG_TYPE_SIZE > 32 ? 64 : 32);
return lang_hooks.types.type_for_mode (mode, false);
}

11
gcc/doc/tm.texi
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@ -12601,17 +12601,6 @@ Store the result in @var{target} if convenient.
The default clears the top byte of the original pointer.
@end deftypefn
@deftypefn {Target Hook} HOST_WIDE_INT TARGET_GCOV_TYPE_SIZE (void)
Returns the gcov type size in bits. This type is used for example for
counters incremented by profiling and code-coverage events. The default
value is 64, if the type size of long long is greater than 32, otherwise the
default value is 32. A 64-bit type is recommended to avoid overflows of the
counters. If the @option{-fprofile-update=atomic} is used, then the
counters are incremented using atomic operations. Targets not supporting
64-bit atomic operations may override the default value and request a 32-bit
type.
@end deftypefn
@deftypevr {Target Hook} bool TARGET_HAVE_SHADOW_CALL_STACK
This value is true if the target platform supports
@option{-fsanitize=shadow-call-stack}. The default value is false.

2
gcc/doc/tm.texi.in
View File

@ -8040,6 +8040,4 @@ maintainer is familiar with.
@hook TARGET_MEMTAG_UNTAGGED_POINTER
@hook TARGET_GCOV_TYPE_SIZE
@hook TARGET_HAVE_SHADOW_CALL_STACK

12
gcc/target.def
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@ -7243,18 +7243,6 @@ DEFHOOK
void, (void),
NULL)
DEFHOOK
(gcov_type_size,
"Returns the gcov type size in bits. This type is used for example for\n\
counters incremented by profiling and code-coverage events. The default\n\
value is 64, if the type size of long long is greater than 32, otherwise the\n\
default value is 32. A 64-bit type is recommended to avoid overflows of the\n\
counters. If the @option{-fprofile-update=atomic} is used, then the\n\
counters are incremented using atomic operations. Targets not supporting\n\
64-bit atomic operations may override the default value and request a 32-bit\n\
type.",
HOST_WIDE_INT, (void), default_gcov_type_size)
/* This value represents whether the shadow call stack is implemented on
the target platform. */
DEFHOOKPOD

7
gcc/targhooks.cc
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@ -2778,11 +2778,4 @@ default_memtag_untagged_pointer (rtx tagged_pointer, rtx target)
return untagged_base;
}
/* The default implementation of TARGET_GCOV_TYPE_SIZE. */
HOST_WIDE_INT
default_gcov_type_size (void)
{
return TYPE_PRECISION (long_long_integer_type_node) > 32 ? 64 : 32;
}
#include "gt-targhooks.h"

2
gcc/targhooks.h
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@ -302,6 +302,4 @@ extern rtx default_memtag_set_tag (rtx, rtx, rtx);
extern rtx default_memtag_extract_tag (rtx, rtx);
extern rtx default_memtag_untagged_pointer (rtx, rtx);
extern HOST_WIDE_INT default_gcov_type_size (void);
#endif /* GCC_TARGHOOKS_H */

6
libgcc/libgcov.h
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@ -52,7 +52,7 @@
#if __CHAR_BIT__ == 8
typedef unsigned gcov_unsigned_t __attribute__ ((mode (SI)));
typedef unsigned gcov_position_t __attribute__ ((mode (SI)));
#if __LIBGCC_GCOV_TYPE_SIZE > 32
#if LONG_LONG_TYPE_SIZE > 32
typedef signed gcov_type __attribute__ ((mode (DI)));
typedef unsigned gcov_type_unsigned __attribute__ ((mode (DI)));
#else
@ -63,7 +63,7 @@ typedef unsigned gcov_type_unsigned __attribute__ ((mode (SI)));
#if __CHAR_BIT__ == 16
typedef unsigned gcov_unsigned_t __attribute__ ((mode (HI)));
typedef unsigned gcov_position_t __attribute__ ((mode (HI)));
#if __LIBGCC_GCOV_TYPE_SIZE > 32
#if LONG_LONG_TYPE_SIZE > 32
typedef signed gcov_type __attribute__ ((mode (SI)));
typedef unsigned gcov_type_unsigned __attribute__ ((mode (SI)));
#else
@ -73,7 +73,7 @@ typedef unsigned gcov_type_unsigned __attribute__ ((mode (HI)));
#else
typedef unsigned gcov_unsigned_t __attribute__ ((mode (QI)));
typedef unsigned gcov_position_t __attribute__ ((mode (QI)));
#if __LIBGCC_GCOV_TYPE_SIZE > 32
#if LONG_LONG_TYPE_SIZE > 32
typedef signed gcov_type __attribute__ ((mode (HI)));
typedef unsigned gcov_type_unsigned __attribute__ ((mode (HI)));
#else