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invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox. 

* doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
	(-fdump-rtl-stack): Likewise.
	(-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
	(-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
	(-mpt-fixed): Use @minus{} for minus sign.
	(Using Precompiled Headers): Fix under/overfull hbox.


Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r121023
This commit is contained in:
Roger Sayle 2007-01-21 03:54:41 +00:00 committed by Roger Sayle
parent d48a05c3c4
commit 78681dbdee
2 changed files with 31 additions and 18 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2007-01-20 Roger Sayle <roger@eyesopen.com>
Joseph Myers <joseph@codesourcery.com>
* doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
(-fdump-rtl-stack): Likewise.
(-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
(-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
(-mpt-fixed): Use @minus{} for minus sign.
(Using Precompiled Headers): Fix under/overfull hbox.
2007-01-20 Jan Hubicka <jh@suse.cz> 2007-01-20 Jan Hubicka <jh@suse.cz>
* tree-flow.h (struct stmt_ann_d): Move references_memory to proper * tree-flow.h (struct stmt_ann_d): Move references_memory to proper

39
gcc/doc/invoke.texi
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@ -3876,7 +3876,8 @@ Dump after block reordering, to @file{@var{file}.148r.bbro}.
@itemx -fdump-rtl-combine @itemx -fdump-rtl-combine
@opindex dc @opindex dc
@opindex fdump-rtl-combine @opindex fdump-rtl-combine
Dump after instruction combination, to the file @file{@var{file}.129r.combine}. Dump after the RTL instruction combination pass, to the file
@file{@var{file}.129r.combine}.
@item -dC @item -dC
@itemx -fdump-rtl-ce1 @itemx -fdump-rtl-ce1
@ -3961,7 +3962,8 @@ Dump after the first jump optimization, to @file{@var{file}.112r.jump}.
@itemx -fdump-rtl-stack @itemx -fdump-rtl-stack
@opindex dk @opindex dk
@opindex fdump-rtl-stack @opindex fdump-rtl-stack
Dump after conversion from registers to stack, to @file{@var{file}.152r.stack}. Dump after conversion from GCC's "flat register file" registers to the
x87's stack-like registers, to @file{@var{file}.152r.stack}.
@item -dl @item -dl
@itemx -fdump-rtl-lreg @itemx -fdump-rtl-lreg
@ -5690,8 +5692,8 @@ The default is @option{-fno-finite-math-only}.
@opindex fno-signed-zeros @opindex fno-signed-zeros
Allow optimizations for floating point arithmetic that ignore the Allow optimizations for floating point arithmetic that ignore the
signedness of zero. IEEE arithmetic specifies the behavior of signedness of zero. IEEE arithmetic specifies the behavior of
distinct +0.0 and -0.0 values, which then prohibits simplification distinct +0.0 and @minus{}0.0 values, which then prohibits simplification
of expressions such as x+0.0 or 0.0*x (even with @option{-ffinte-math-only}). of expressions such as x+0.0 or 0.0*x (even with @option{-ffinite-math-only}).
This option implies that the sign of a zero result isn't significant. This option implies that the sign of a zero result isn't significant.
The default is @option{-fsigned-zeros}. The default is @option{-fsigned-zeros}.
@ -11098,8 +11100,9 @@ to use an assembler that supports relocation operators.
@itemx -mno-check-zero-division @itemx -mno-check-zero-division
@opindex mcheck-zero-division @opindex mcheck-zero-division
@opindex mno-check-zero-division @opindex mno-check-zero-division
Trap (do not trap) on integer division by zero. The default is Trap (do not trap) on integer division by zero.
@option{-mcheck-zero-division}.
The default is @option{-mcheck-zero-division}.
@item -mdivide-traps @item -mdivide-traps
@itemx -mdivide-breaks @itemx -mdivide-breaks
@ -11709,12 +11712,12 @@ those options will run best on that processor, and may not run at all on
others. others.
The @option{-mcpu} options automatically enable or disable the The @option{-mcpu} options automatically enable or disable the
following options: @option{-maltivec}, @option{-mfprnd}, following options:
@option{-mhard-float}, @option{-mmfcrf}, @option{-mmultiple},
@option{-mnew-mnemonics}, @option{-mpopcntb}, @option{-mpower}, @gccoptlist{-maltivec -mfprnd -mhard-float -mmfcrf -mmultiple @gol
@option{-mpower2}, @option{-mpowerpc64}, @option{-mpowerpc-gpopt}, -mnew-mnemonics -mpopcntb -mpower -mpower2 -mpowerpc64 @gol
@option{-mpowerpc-gfxopt}, @option{-mstring}, @option{-mmulhw}, -mpowerpc-gpopt -mpowerpc-gfxopt -mstring -mmulhw -mdlmzb -mmfpgpr}
@option{-mdlmzb}, @option{-mmfpgpr}.
The particular options set for any particular CPU will vary between The particular options set for any particular CPU will vary between
compiler versions, depending on what setting seems to produce optimal compiler versions, depending on what setting seems to produce optimal
code for that CPU; it doesn't necessarily reflect the actual hardware's code for that CPU; it doesn't necessarily reflect the actual hardware's
@ -12786,11 +12789,11 @@ definition says that ptabs and ptrel trap when the target anded with 3 is 3.
This has the unintentional effect of making it unsafe to schedule ptabs / This has the unintentional effect of making it unsafe to schedule ptabs /
ptrel before a branch, or hoist it out of a loop. For example, ptrel before a branch, or hoist it out of a loop. For example,
__do_global_ctors, a part of libgcc that runs constructors at program __do_global_ctors, a part of libgcc that runs constructors at program
startup, calls functions in a list which is delimited by -1. With the startup, calls functions in a list which is delimited by @minus{}1. With the
-mpt-fixed option, the ptabs will be done before testing against -1. -mpt-fixed option, the ptabs will be done before testing against @minus{}1.
That means that all the constructors will be run a bit quicker, but when That means that all the constructors will be run a bit quicker, but when
the loop comes to the end of the list, the program crashes because ptabs the loop comes to the end of the list, the program crashes because ptabs
loads -1 into a target register. Since this option is unsafe for any loads @minus{}1 into a target register. Since this option is unsafe for any
hardware implementing the current architecture specification, the default hardware implementing the current architecture specification, the default
is -mno-pt-fixed. Unless the user specifies a specific cost with is -mno-pt-fixed. Unless the user specifies a specific cost with
@option{-mgettrcost}, -mno-pt-fixed also implies @option{-mgettrcost=100}; @option{-mgettrcost}, -mno-pt-fixed also implies @option{-mgettrcost=100};
@ -14305,9 +14308,9 @@ which options are safe to change and which are not; the safest choice
is to use exactly the same options when generating and using the is to use exactly the same options when generating and using the
precompiled header. The following are known to be safe: precompiled header. The following are known to be safe:
@gccoptlist{-fmessage-length= -fpreprocessed @gccoptlist{-fmessage-length= -fpreprocessed -fsched-interblock @gol
-fsched-interblock -fsched-spec -fsched-spec-load -fsched-spec-load-dangerous -fsched-spec -fsched-spec-load -fsched-spec-load-dangerous @gol
-fsched-verbose=<number> -fschedule-insns -fvisibility= -fsched-verbose=<number> -fschedule-insns -fvisibility= @gol
-pedantic-errors} -pedantic-errors}
@end itemize @end itemize