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author | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2018-04-18 13:54:33 +0000 |
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committer | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2018-04-18 13:54:33 +0000 |
commit | 701c5838e5f5999de48c3b2c9f2e10b453a78f88 (patch) | |
tree | a8276133b3527d661472cf6e4cc646a3c007c6f1 /gcc/doc/invoke.texi | |
parent | 1b653976cf787dad1e554bcbd08613f01668d8ce (diff) | |
parent | d2bd586cde45ee199d4629dc07d4b809aee257a8 (diff) |
Merge from gcc-7-branch.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ARM/embedded-7-branch@259470 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/invoke.texi')
-rw-r--r-- | gcc/doc/invoke.texi | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 96b7d1b96d9..9abf7783313 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1025,7 +1025,7 @@ See RS/6000 and PowerPC Options. -mfloat-gprs=yes -mfloat-gprs=no -mfloat-gprs=single -mfloat-gprs=double @gol -mprototype -mno-prototype @gol -msim -mmvme -mads -myellowknife -memb -msdata @gol --msdata=@var{opt} -mvxworks -G @var{num} @gol +-msdata=@var{opt} -mreadonly-in-sdata -mvxworks -G @var{num} @gol -mrecip -mrecip=@var{opt} -mno-recip -mrecip-precision @gol -mno-recip-precision @gol -mveclibabi=@var{type} -mfriz -mno-friz @gol @@ -8132,7 +8132,7 @@ This flag is enabled by default at @option{-O2} and higher and depends on @item -fisolate-erroneous-paths-attribute @opindex fisolate-erroneous-paths-attribute -Detect paths that trigger erroneous or undefined behavior due a null value +Detect paths that trigger erroneous or undefined behavior due to a null value being used in a way forbidden by a @code{returns_nonnull} or @code{nonnull} attribute. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behavior into a trap. This is not @@ -8690,6 +8690,7 @@ Some assemblers only support this flag when @var{n} is a power of two; in that case, it is rounded up. If @var{n} is not specified or is zero, use a machine-dependent default. +The maximum allowed @var{n} option value is 65536. Enabled at levels @option{-O2}, @option{-O3}. @@ -8715,6 +8716,7 @@ are greater than this value, then their values are used instead. If @var{n} is not specified or is zero, use a machine-dependent default which is very likely to be @samp{1}, meaning no alignment. +The maximum allowed @var{n} option value is 65536. Enabled at levels @option{-O2}, @option{-O3}. @@ -8728,6 +8730,7 @@ operations. @option{-fno-align-loops} and @option{-falign-loops=1} are equivalent and mean that loops are not aligned. +The maximum allowed @var{n} option value is 65536. If @var{n} is not specified or is zero, use a machine-dependent default. @@ -8745,6 +8748,7 @@ need be executed. equivalent and mean that loops are not aligned. If @var{n} is not specified or is zero, use a machine-dependent default. +The maximum allowed @var{n} option value is 65536. Enabled at levels @option{-O2}, @option{-O3}. @@ -22073,6 +22077,13 @@ On embedded PowerPC systems, put all initialized global and static data in the @code{.data} section, and all uninitialized data in the @code{.bss} section. +@item -mreadonly-in-sdata +@itemx -mreadonly-in-sdata +@opindex mreadonly-in-sdata +@opindex mno-readonly-in-sdata +Put read-only objects in the @code{.sdata} section as well. This is the +default. + @item -mblock-move-inline-limit=@var{num} @opindex mblock-move-inline-limit Inline all block moves (such as calls to @code{memcpy} or structure @@ -25094,8 +25105,8 @@ preferred alignment to @option{-mpreferred-stack-boundary=2}. @itemx -mpclmul @opindex mpclmul @need 200 -@itemx -mclfushopt -@opindex mclfushopt +@itemx -mclflushopt +@opindex mclflushopt @need 200 @itemx -mfsgsbase @opindex mfsgsbase |