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authorThomas Preud'homme <thomas.preudhomme@arm.com>2018-04-18 13:54:33 +0000
committerThomas Preud'homme <thomas.preudhomme@arm.com>2018-04-18 13:54:33 +0000
commit701c5838e5f5999de48c3b2c9f2e10b453a78f88 (patch)
treea8276133b3527d661472cf6e4cc646a3c007c6f1 /gcc/doc/invoke.texi
parent1b653976cf787dad1e554bcbd08613f01668d8ce (diff)
parentd2bd586cde45ee199d4629dc07d4b809aee257a8 (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.texi19
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