\&\-Wparentheses \-Wpedantic\-ms\-format \-Wno\-pedantic\-ms\-format
\&\-Wpointer\-arith \-Wno\-pointer\-to\-int\-cast
\&\-Wredundant\-decls
-\&\-Wreturn\-type \-Wsequence\-point \-Wshadow
+\&\-Wreturn\-type \-Wripa\-opt\-mismatch \-Wsequence\-point \-Wshadow
\&\-Wsign\-compare \-Wsign\-conversion \-Wstack\-protector
\&\-Wstrict\-aliasing \-Wstrict\-aliasing=n
\&\-Wstrict\-overflow \-Wstrict\-overflow=\fR\fIn\fR
\&\fB\-fdump\-tree\-storeccp\fR[\fB\-\fR\fIn\fR]
\&\fB\-feliminate\-dwarf2\-dups \-feliminate\-unused\-debug\-types
\&\-feliminate\-unused\-debug\-symbols \-femit\-class\-debug\-always
+\&\-fenable\-icf\-debug
\&\-fmem\-report \-fpre\-ipa\-mem\-report \-fpost\-ipa\-mem\-report \-fprofile\-arcs
\&\-frandom\-seed=\fR\fIstring\fR \fB\-fsched\-verbose=\fR\fIn\fR
\&\fB\-fsel\-sched\-verbose \-fsel\-sched\-dump\-cfg \-fsel\-sched\-pipelining\-verbose
\&\-ftest\-coverage \-ftime\-report \-fvar\-tracking
\&\-g \-g\fR\fIlevel\fR \fB\-gcoff \-gdwarf\-2
-\&\-ggdb \-gstabs \-gstabs+ \-gvms \-gxcoff \-gxcoff+
+\&\-ggdb \-gmlt \-gstabs \-gstabs+ \-gvms \-gxcoff \-gxcoff+
\&\-fno\-merge\-debug\-strings \-fno\-dwarf2\-cfi\-asm
\&\-fdebug\-prefix\-map=\fR\fIold\fR\fB=\fR\fInew\fR
\&\fB\-femit\-struct\-debug\-baseonly \-femit\-struct\-debug\-reduced
\&\-fcheck\-data\-deps \-fconserve\-stack \-fcprop\-registers \-fcrossjumping
\&\-fcse\-follow\-jumps \-fcse\-skip\-blocks \-fcx\-fortran\-rules \-fcx\-limited\-range
\&\-fdata\-sections \-fdce \-fdce
-\&\-fdelayed\-branch \-fdelete\-null\-pointer\-checks \-fdse \-fdse \-fdyn\-ipa
+\&\-fdelayed\-branch \-fdelete\-null\-pointer\-checks \-fdse \-fdse
\&\-fearly\-inlining \-fexpensive\-optimizations \-ffast\-math
\&\-ffinite\-math\-only \-ffloat\-store \-fforward\-propagate
\&\-ffunction\-sections \-fgcse \-fgcse\-after\-reload \-fgcse\-las \-fgcse\-lm
\&\-freciprocal\-math \-fregmove \-frename\-registers \-freorder\-blocks
\&\-freorder\-blocks\-and\-partition \-freorder\-functions
\&\-frerun\-cse\-after\-loop \-freschedule\-modulo\-scheduled\-loops
-\&\-frounding\-math \-fsched2\-use\-superblocks
+\&\-fripa \-fripa\-disallow\-opt\-mismatch \-fripa\-verbose \-frounding\-math
+\&\-fsample\-profile \-fsample\-profile\-aggregate\-using \-fsched2\-use\-superblocks
\&\-fsched2\-use\-traces \-fsched\-spec\-load \-fsched\-spec\-load\-dangerous
\&\-fsched\-stalled\-insns\-dep[=\fR\fIn\fR\fB] \-fsched\-stalled\-insns[=\fR\fIn\fR\fB]
\&\-fschedule\-insns \-fschedule\-insns2 \-fsection\-anchors \-fsee
\&\-ftree\-dominator\-opts \-ftree\-dse \-ftree\-fre \-ftree\-loop\-im
\&\-ftree\-loop\-distribution
\&\-ftree\-loop\-ivcanon \-ftree\-loop\-linear \-ftree\-loop\-optimize
+\&\-ftree\-lr\-shrinking
\&\-ftree\-parallelize\-loops=\fR\fIn\fR \fB\-ftree\-pre \-ftree\-reassoc
\&\-ftree\-sink \-ftree\-sra \-ftree\-switch\-conversion
\&\-ftree\-ter \-ftree\-vect\-loop\-version \-ftree\-vectorize \-ftree\-vrp
\&\-Wpointer\-sign
\&\-Wreorder
\&\-Wreturn\-type
+\&\-Wripa\-opt\-mismatch
\&\-Wsequence\-point
\&\-Wsign\-compare\fR (only in \*(C+)
\&\fB\-Wstrict\-aliasing
exceptions are \fBmain\fR and functions defined in system headers.
.Sp
This warning is enabled by \fB\-Wall\fR.
+.IP "\fB\-Wripa\-opt\-mismatch\fR" 4
+.IX Item "-Wripa-opt-mismatch"
+When doing an \s-1FDO\s0 build with \fB\-fprofile\-use\fR and \fB\-fripa\fR,
+warn if importing an axuiliary module that was built with a different
+\&\s-1GCC\s0 command line during the profile-generate phase than the primary
+module.
+.Sp
+This warning is enabled by \fB\-Wall\fR.
.IP "\fB\-Wswitch\fR" 4
.IX Item "-Wswitch"
Warn whenever a \f(CW\*(C`switch\*(C'\fR statement has an index of enumerated type
debug format is long obsolete, but the option cannot be changed now.
Instead use an additional \fB\-g\fR\fIlevel\fR option to change the
debug level for \s-1DWARF2\s0.
+.IP "\fB\-gmlt\fR" 4
+.IX Item "-gmlt"
+Produce a minimal line table, with level 1 debugging information plus
+information about inlined functions and line numbers.
.IP "\fB\-feliminate\-dwarf2\-dups\fR" 4
.IX Item "-feliminate-dwarf2-dups"
Compress \s-1DWARF2\s0 debugging information by eliminating duplicated
The default is \fB\-femit\-struct\-debug\-detailed=all\fR.
.Sp
This option works only with \s-1DWARF\s0 2.
+.IP "\fB\-fenable\-icf\-debug\fR" 4
+.IX Item "-fenable-icf-debug"
+Generate additional debug information to support identical code folding (\s-1ICF\s0).
+This option only works with \s-1DWARF\s0 version 2 or higher.
.IP "\fB\-fno\-merge\-debug\-strings\fR" 4
.IX Item "-fno-merge-debug-strings"
Direct the linker to not merge together strings in the debugging
effectiveness of code motion optimizations. It also saves one jump. This flag
is enabled by default at \fB\-O\fR and higher. It is not enabled
for \fB\-Os\fR, since it usually increases code size.
+.IP "\fB\-ftree\-lr\-shrinking\fR" 4
+.IX Item "-ftree-lr-shrinking"
+Enable live range shrinking optimization on trees. This optimization is used
+to help reducing register pressure.
.IP "\fB\-ftree\-loop\-optimize\fR" 4
.IX Item "-ftree-loop-optimize"
Perform loop optimizations on trees. This flag is enabled by default
.Sp
If \fIpath\fR is specified, \s-1GCC\s0 will look at the \fIpath\fR to find
the profile feedback data files. See \fB\-fprofile\-dir\fR.
-.IP "\fB\-fdyn\-ipa\fR" 4
-.IX Item "-fdyn-ipa"
+.IP "\fB\-fripa\fR" 4
+.IX Item "-fripa"
Perform dynamic inter-procedural analysis. This is used in conjunction with
the \fB\-fprofile\-generate\fR and \fB\-fprofile\-use\fR options.
During the \fB\-fprofile\-generate\fR phase, this flag turns on some additional
instrumentation code that enables dynamic call-graph analysis.
During the \fB\-fprofile\-use\fR phase, this flag enables cross-module
optimizations such as inlining.
+.IP "\fB\-fripa\-disallow\-opt\-mismatch\fR" 4
+.IX Item "-fripa-disallow-opt-mismatch"
+Don't import an auxiliary module, if the \s-1GCC\s0 command line options used for this
+auxiliary module during the profile-generate stage were different from those used
+for the primary module. Note that any mismatches in warning-related options are
+ignored for this comparison.
+.IP "\fB\-fripa\-verbose\fR" 4
+.IX Item "-fripa-verbose"
+Enable printing of verbose information about dynamic inter-procedural optimizations.
+This is used in conjunction with the \fB\-fripa\fR.
+.IP "\fB\-fsample\-profile\fR" 4
+.IX Item "-fsample-profile"
+.PD 0
+.IP "\fB\-fsample\-profile=\fR\fIpath\fR" 4
+.IX Item "-fsample-profile=path"
+.PD
+Enable profile feedback directed optimizations using profiles obtained
+via sampling, and optimizations generally profitable only with profile
+feedback available.
+.IP "\fB\-fsample\-profile\-aggregate\-using=\fR\fImethod\fR" 4
+.IX Item "-fsample-profile-aggregate-using=method"
+Select the method for (average or maximum) for converting
+instruction-level profiles into basic block level profiles.
.PP
The following options control compiler behavior regarding floating
point arithmetic. These options trade off between speed and
.IX Item "reg-pressure-min-tree"
The minimal size (number of leaves) of a tree to be reshaped in the Live
Range Shrinking optimization.
+.IP "\fBmin-mcf-cancel-iters\fR" 4
+.IX Item "min-mcf-cancel-iters"
+The minimum number of iterations of negative cycle cancellation during
+\&\s-1MCF\s0 profile correction before early termination. This parameter is
+only useful when using \fB\-fprofile\-correction\fR.
+.IP "\fBsamplefdo-mcf-high-confidence-cost-mult\fR" 4
+.IX Item "samplefdo-mcf-high-confidence-cost-mult"
+Multiply the cost used by \s-1MCF\s0 during profile correction by this factor
+for all input profile data that is determined to be high confidence.
+This parameter is only useful when using \fB\-fsample\-profile\fR and
+\&\fB\-fprofile\-correction\fR.
+.IP "\fBsamplefdo-use-discrim\fR" 4
+.IX Item "samplefdo-use-discrim"
+When attributing samples to the \s-1CFG\s0, use discriminators to identify
+which \s-1CFG\s0 nodes correspond to which samples. This parameter is only
+useful when using \fB\-fsample\-profile\fR.
+.IP "\fBsamplefdo-large-block-thresh\fR" 4
+.IX Item "samplefdo-large-block-thresh"
+Consider a basic block large if it has more than this many gimple
+statements in it. If a block is large and has no profile samples
+attributed to it, it will be assigned a weight of 0 with high
+confidence. This parameter is only useful when using
+\&\fB\-fsample\-profile\fR.
.RE
.RS 4
.RE
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