diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/s390/s390.h | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 33 |
3 files changed, 30 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 992a4de6c15..3ec205e3d43 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-06-14 Eric Christopher <echristo@redhat.com> + + * config/s390/s390.h (TARGET_SWITCHES): Change -mtpf (-mno-tpf) + to -mtpf-trace (-mno-tpf-trace). + * doc/invoke.texi (S/390 and zSeries Options): Add tpf option + documentation. + 2004-06-14 Eric Botcazou <ebotcazou@libertysurf.fr> * real.c: Fix bit count in head comment. diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h index 368acfd6a23..a73a6804861 100644 --- a/gcc/config/s390/s390.h +++ b/gcc/config/s390/s390.h @@ -135,8 +135,8 @@ extern int target_flags; { "esa", -32, N_("ESA/390 architecture")}, \ { "mvcle", 64, N_("mvcle use")}, \ { "no-mvcle", -64, N_("mvc&ex")}, \ - { "tpf", 128, N_("enable tpf OS code")}, \ - { "no-tpf", -128, N_("disable tpf OS code")}, \ + { "tpf-trace", 128, N_("enable tpf OS tracing code")}, \ + { "no-tpf-trace", -128, N_("disable tpf OS tracing code")}, \ { "no-fused-madd", 256, N_("disable fused multiply/add instructions")},\ { "fused-madd", -256, N_("enable fused multiply/add instructions")}, \ { "", TARGET_DEFAULT, 0 } } diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 70656da1950..93317b6d6fb 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -620,7 +620,8 @@ in the following sections. @gccoptlist{-mtune=@var{cpu-type} -march=@var{cpu-type} @gol -mhard-float -msoft-float -mbackchain -mno-backchain @gol -msmall-exec -mno-small-exec -mmvcle -mno-mvcle @gol --m64 -m31 -mdebug -mno-debug -mesa -mzarch -mfused-madd -mno-fused-madd} +-m64 -m31 -mdebug -mno-debug -mesa -mzarch @gol +-mtpf-trace -mno-tpf-trace -mfused-madd -mno-fused-madd} @emph{CRIS Options} @gccoptlist{-mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol @@ -916,7 +917,7 @@ no trouble. @item -combine @opindex combine If you are compiling multiple source files, this option tells the driver -to pass all the source files to the compiler at once (for those +to pass all the source files to the compiler at once (for those languages for which the compiler can handle this). This will allow intermodule analysis (IMA) to be performed by the compiler. Currently the only language for which this is supported is C. If you pass source files for @@ -926,7 +927,7 @@ source files appropriate for it. For those languages that do not support IMA this option will be ignored, and the compiler will be invoked once for each source file in that language. If you use this option in conjunction with -save-temps, the compiler will generate multiple pre-processed files -(one for each source file), but only one (combined) .o or .s file. +(one for each source file), but only one (combined) .o or .s file. @item --help @opindex help @@ -3333,7 +3334,7 @@ Dump after loop optimization passes, to @file{@var{file}.09.loop} and @file{@var{file}.16.loop2}. @item m @opindex dm -Dump after modulo scheduling, to @file{@var{file}.23.sms}. +Dump after modulo scheduling, to @file{@var{file}.23.sms}. @item M @opindex dM Dump after performing the machine dependent reorganization pass, to @@ -4374,21 +4375,21 @@ references with scalars to prevent committing structures to memory too early. This flag is enabled by default at -O and higher. @item -ftree-copyrename -Perform copy renaming on trees. This pass attempts to rename compiler -temporaries to other variables at copy locations, usually resulting in -variable names which more closely resemble the original variables. This flag +Perform copy renaming on trees. This pass attempts to rename compiler +temporaries to other variables at copy locations, usually resulting in +variable names which more closely resemble the original variables. This flag is enabled by default at -O and higher. @item -ftree-ter Perform temporary expression replacement during the SSA->normal phase. Single -use/single def temporaries are replaced at their use location with their -defining expression. This results in non-GIMPLE code, but gives the expanders +use/single def temporaries are replaced at their use location with their +defining expression. This results in non-GIMPLE code, but gives the expanders much more complex trees to work on resulting in better RTL generation. This is enabled by default at -O and higher. @item -ftree-lrs -Perform live range splitting during the SSA->normal phase. Distinct live -ranges of a variable are split into unique variables, allowing for better +Perform live range splitting during the SSA->normal phase. Distinct live +ranges of a variable are split into unique variables, allowing for better optimization later. This is enabled by default at -O and higher. @item -ftracer @@ -4647,7 +4648,7 @@ attribute @code{used} will prevent this behavior. @end itemize As a temporary workaround, @option{-fno-unit-at-a-time} can be used, -but this scheme may not be supported by future releases of GCC. +but this scheme may not be supported by future releases of GCC. Enabled at levels @option{-O2}, @option{-O3}. @@ -10478,6 +10479,14 @@ except for the ABI and the set of available instructions. The list of @var{cpu-type} values is the same as for @option{-march}. The default is the value used for @option{-march}. +@item -mtpf-trace +@itemx -mno-tpf-trace +@opindex mtpf-trace +@opindex mno-tpf-trace +Generate code that adds (does not add) in TPF OS specific branches to trace +routines in the operating system. This option is off by default, even +when compiling for the TPF OS. + @item -mfused-madd @itemx -mno-fused-madd @opindex mfused-madd |
