From: rsandifo Date: Sat, 1 Feb 2003 13:09:41 +0000 (+0000) Subject: * flags.h (flag_volatile): Remove declaration. X-Git-Tag: upstream/4.9.2~81966 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c1771f2c27753526ee0039d8781f85b88c38dcd6;p=platform%2Fupstream%2Flinaro-gcc.git * flags.h (flag_volatile): Remove declaration. (flag_volatile_global, flag_volatile_static): Likewise. * c-typeck.c (build_indirect_ref): Don't check flag_volatile. * toplev.c (flag_volatile): Remove definition. (flag_volatile_global, flag_volatile_static): Likewise. (f_options): Remove corresponding entries here. * varasm.c (make_decl_rtl): Don't check flag_volatile_global or flag_volatile_static. * doc/invoke.texi: Remove documentation of -fvolatile, -fvolatile-global and -fvolatile-static. cp/ * typeck.c (build_indirect_ref): Don't check flag_volatile. ada/ * utils2.c (build_unary_op): Don't check flag_volatile. * gnat_ug.texi: Remove -fvolatile from example. * gnat_ug_vxw.texi: Likewise. testsuite/ * g++.dg/init/new1.C: Remove -fvolatile dg-options line. * g++.dg/init/new2.C: Likewise. * g++.dg/other/new1.C: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@62245 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8095a78..da99537 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,16 @@ +2003-02-01 Richard Sandiford + + * flags.h (flag_volatile): Remove declaration. + (flag_volatile_global, flag_volatile_static): Likewise. + * c-typeck.c (build_indirect_ref): Don't check flag_volatile. + * toplev.c (flag_volatile): Remove definition. + (flag_volatile_global, flag_volatile_static): Likewise. + (f_options): Remove corresponding entries here. + * varasm.c (make_decl_rtl): Don't check flag_volatile_global + or flag_volatile_static. + * doc/invoke.texi: Remove documentation of -fvolatile, + -fvolatile-global and -fvolatile-static. + 2003-01-31 John David Anglin * pa.c (pa_output_function_prologue, pa_output_function_epilogue): Move diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index 328296b..d5f612d 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,9 @@ +2003-02-01 Richard Sandiford + + * utils2.c (build_unary_op): Don't check flag_volatile. + * gnat_ug.texi: Remove -fvolatile from example. + * gnat_ug_vxw.texi: Likewise. + 2003-01-29 Laurent Guerby PR ada/8344 diff --git a/gcc/ada/gnat_ug.texi b/gcc/ada/gnat_ug.texi index 8faa273..be71814 100644 --- a/gcc/ada/gnat_ug.texi +++ b/gcc/ada/gnat_ug.texi @@ -24047,7 +24047,7 @@ For a list of all available switches, refer to the sections describing Here is an example that passes the option @code{-v} to the GNAT compiler : @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 -cargs -v @end smallexample @@ -24056,7 +24056,7 @@ Here is an example that passes the option @code{-v} to the GNAT compiler, binder and @code{-v} and @code{-g} to the compiler : @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 -cargs -v -g -O2 -bargs -v -largs -v @end smallexample @@ -24065,7 +24065,7 @@ In both examples, the following arguments have been automatically added by the P Facility, and will be used by the C compiler. @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 @end smallexample @noindent diff --git a/gcc/ada/gnat_ug_vxw.texi b/gcc/ada/gnat_ug_vxw.texi index 6ea120e..0c61304 100644 --- a/gcc/ada/gnat_ug_vxw.texi +++ b/gcc/ada/gnat_ug_vxw.texi @@ -19279,7 +19279,7 @@ For a list of all available switches, refer to the sections describing Here is an example that passes the option @code{-v} to the GNAT compiler : @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 -cargs -v @end smallexample @@ -19288,7 +19288,7 @@ Here is an example that passes the option @code{-v} to the GNAT compiler, binder and @code{-v} and @code{-g} to the compiler : @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 -cargs -v -g -O2 -bargs -v -largs -v @end smallexample @@ -19297,7 +19297,7 @@ In both examples, the following arguments have been automatically added by the P Facility, and will be used by the C compiler. @smallexample -g -mstrict-align -prjtype $(PRJ_TYPE) -ansi -nostdinc -DRW_MULTI_THREAD -D_REENTRANT --fvolatile -fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 +-fno-builtin -fno-for-scope -I. -I/usr/windppc-2.0/target/h -DCPU=PPC604 @end smallexample @noindent diff --git a/gcc/ada/utils2.c b/gcc/ada/utils2.c index 3777a5b..1d76d91 100644 --- a/gcc/ada/utils2.c +++ b/gcc/ada/utils2.c @@ -1275,8 +1275,8 @@ build_unary_op (op_code, result_type, operand) TREE_READONLY (result) = TREE_READONLY (TREE_TYPE (type)); } - side_effects = flag_volatile - || (! TYPE_FAT_POINTER_P (type) && TYPE_VOLATILE (TREE_TYPE (type))); + side_effects = (! TYPE_FAT_POINTER_P (type) + && TYPE_VOLATILE (TREE_TYPE (type))); break; case NEGATE_EXPR: diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 4134113..bbd94a0 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -1189,7 +1189,6 @@ build_indirect_ref (ptr, errorstring) if (TREE_CODE (type) == POINTER_TYPE) { if (TREE_CODE (pointer) == ADDR_EXPR - && !flag_volatile && (TREE_TYPE (TREE_OPERAND (pointer, 0)) == TREE_TYPE (type))) return TREE_OPERAND (pointer, 0); @@ -1215,7 +1214,7 @@ build_indirect_ref (ptr, errorstring) to change it via some other pointer. */ TREE_READONLY (ref) = TYPE_READONLY (t); TREE_SIDE_EFFECTS (ref) - = TYPE_VOLATILE (t) || TREE_SIDE_EFFECTS (pointer) || flag_volatile; + = TYPE_VOLATILE (t) || TREE_SIDE_EFFECTS (pointer); TREE_THIS_VOLATILE (ref) = TYPE_VOLATILE (t); return ref; } diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 5c947c3..f376158 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,7 @@ +2003-02-01 Richard Sandiford + + * typeck.c (build_indirect_ref): Don't check flag_volatile. + 2003-01-31 Kriang Lerdsuwanakij PR c++/8849 diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 37a07b6..6d5cc65 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -2352,7 +2352,6 @@ build_indirect_ref (ptr, errorstring) return error_mark_node; } else if (TREE_CODE (pointer) == ADDR_EXPR - && !flag_volatile && same_type_p (t, TREE_TYPE (TREE_OPERAND (pointer, 0)))) /* The POINTER was something like `&x'. We simplify `*&x' to `x'. */ @@ -2367,8 +2366,7 @@ build_indirect_ref (ptr, errorstring) TREE_READONLY (ref) = CP_TYPE_CONST_P (t); TREE_THIS_VOLATILE (ref) = CP_TYPE_VOLATILE_P (t); TREE_SIDE_EFFECTS (ref) - = (TREE_THIS_VOLATILE (ref) || TREE_SIDE_EFFECTS (pointer) - || flag_volatile); + = (TREE_THIS_VOLATILE (ref) || TREE_SIDE_EFFECTS (pointer)); return ref; } } diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index e4c39c5..0b4d1dd 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -705,8 +705,7 @@ in the following sections. -fno-common -fno-ident -fno-gnu-linker @gol -fpcc-struct-return -fpic -fPIC @gol -freg-struct-return -fshared-data -fshort-enums @gol --fshort-double -fshort-wchar -fvolatile @gol --fvolatile-global -fvolatile-static @gol +-fshort-double -fshort-wchar @gol -fverbose-asm -fpack-struct -fstack-check @gol -fstack-limit-register=@var{reg} -fstack-limit-symbol=@var{sym} @gol -fargument-alias -fargument-noalias @gol @@ -10752,20 +10751,6 @@ debugging the compiler itself). extra information to be omitted and is useful when comparing two assembler files. -@item -fvolatile -@opindex fvolatile -Consider all memory references through pointers to be volatile. - -@item -fvolatile-global -@opindex fvolatile-global -Consider all memory references to extern and global data items to -be volatile. GCC does not consider static data items to be volatile -because of this switch. - -@item -fvolatile-static -@opindex fvolatile-static -Consider all memory references to static data to be volatile. - @item -fpic @opindex fpic @cindex global offset table diff --git a/gcc/flags.h b/gcc/flags.h index 8a1998c..80ee6a6 100644 --- a/gcc/flags.h +++ b/gcc/flags.h @@ -337,18 +337,6 @@ extern int flag_omit_frame_pointer; extern int flag_no_peephole; -/* Nonzero means all references through pointers are volatile. */ - -extern int flag_volatile; - -/* Nonzero means treat all global and extern variables as volatile. */ - -extern int flag_volatile_global; - -/* Nonzero means treat all static variables as volatile. */ - -extern int flag_volatile_static; - /* Nonzero allows GCC to optimize sibling and tail recursive calls. */ extern int flag_optimize_sibling_calls; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 91bba4a..61ed54b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2003-02-01 Richard Sandiford + + * g++.dg/init/new1.C: Remove -fvolatile dg-options line. + * g++.dg/init/new2.C: Likewise. + * g++.dg/other/new1.C: Likewise. + 2003-01-31 Loren J. Rittle * gcc.dg/struct-ret-libc.c: New test. diff --git a/gcc/testsuite/g++.dg/init/new1.C b/gcc/testsuite/g++.dg/init/new1.C index 24b60d3..5015d81 100644 --- a/gcc/testsuite/g++.dg/init/new1.C +++ b/gcc/testsuite/g++.dg/init/new1.C @@ -1,7 +1,6 @@ // Origin: asharji@uwaterloo.ca // { dg-do compile } -// { dg-options "-fvolatile" } typedef __SIZE_TYPE__ size_t; diff --git a/gcc/testsuite/g++.dg/init/new2.C b/gcc/testsuite/g++.dg/init/new2.C index 572cb28..8b207d0 100644 --- a/gcc/testsuite/g++.dg/init/new2.C +++ b/gcc/testsuite/g++.dg/init/new2.C @@ -1,7 +1,6 @@ // Origin: asharji@uwaterloo.ca // { dg-do compile } -// { dg-options "-fvolatile" } class bar { public : diff --git a/gcc/testsuite/g++.dg/other/new1.C b/gcc/testsuite/g++.dg/other/new1.C index 24b60d3..5015d81 100644 --- a/gcc/testsuite/g++.dg/other/new1.C +++ b/gcc/testsuite/g++.dg/other/new1.C @@ -1,7 +1,6 @@ // Origin: asharji@uwaterloo.ca // { dg-do compile } -// { dg-options "-fvolatile" } typedef __SIZE_TYPE__ size_t; diff --git a/gcc/toplev.c b/gcc/toplev.c index 3ab85ad..f783ed9 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -606,18 +606,6 @@ int flag_signaling_nans = 0; int flag_complex_divide_method = 0; -/* Nonzero means all references through pointers are volatile. */ - -int flag_volatile; - -/* Nonzero means treat all global and extern variables as volatile. */ - -int flag_volatile_global; - -/* Nonzero means treat all static variables as volatile. */ - -int flag_volatile_static; - /* Nonzero means just do syntax checking; don't output anything. */ int flag_syntax_only = 0; @@ -986,12 +974,6 @@ static const lang_independent_options f_options[] = N_("Perform DWARF2 duplicate elimination") }, {"float-store", &flag_float_store, 1, N_("Do not store floats in registers") }, - {"volatile", &flag_volatile, 1, - N_("Consider all mem refs through pointers as volatile") }, - {"volatile-global", &flag_volatile_global, 1, - N_("Consider all mem refs to global data to be volatile") }, - {"volatile-static", &flag_volatile_static, 1, - N_("Consider all mem refs to static data to be volatile") }, {"defer-pop", &flag_defer_pop, 1, N_("Defer popping functions args from stack until later") }, {"omit-frame-pointer", &flag_omit_frame_pointer, 1, diff --git a/gcc/varasm.c b/gcc/varasm.c index 9fc92c4..fa6bf2c 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -920,14 +920,6 @@ make_decl_rtl (decl, asmspec) name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); } - /* If this variable is to be treated as volatile, show its - tree node has side effects. */ - if ((flag_volatile_global && TREE_CODE (decl) == VAR_DECL - && TREE_PUBLIC (decl)) - || ((flag_volatile_static && TREE_CODE (decl) == VAR_DECL - && (TREE_PUBLIC (decl) || TREE_STATIC (decl))))) - TREE_SIDE_EFFECTS (decl) = 1; - x = gen_rtx_MEM (DECL_MODE (decl), gen_rtx_SYMBOL_REF (Pmode, name)); SYMBOL_REF_WEAK (XEXP (x, 0)) = DECL_WEAK (decl); if (TREE_CODE (decl) != FUNCTION_DECL)