2011-11-04 Robert Dewar <dewar@adacore.com>

[pf3gnuchains/gcc-fork.git] / gcc / common.opt

diff --git a/gcc/common.opt b/gcc/common.opt
index d1f286f..13bbf9e 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -37,6 +37,13 @@ int optimize_size
 Variable
 int optimize_fast
 
+; True if this is the lto front end.  This is used to disable gimple
+; generation and lowering passes that are normally run on the output
+; of a front end.  These passes must be bypassed for lto since they
+; have already been done before the gimple was written.
+Variable
+bool in_lto_p = false
+
 ; 0 means straightforward implementation of complex divide acceptable.
 ; 1 means wide ranges of inputs must work for complex divide.
 ; 2 means C99-like requirements for complex multiply and divide.
@@ -536,6 +543,10 @@ Wframe-larger-than=
 Common RejectNegative Joined UInteger
 -Wframe-larger-than=<number>   Warn if a function's stack frame requires more than <number> bytes
 
+Wfree-nonheap-object
+Common Var(warn_free_nonheap_object) Init(1) Warning
+Warn when attempting to free a non-heap object
+
 Winline
 Common Var(warn_inline) Warning
 Warn when an inlined function cannot be inlined
@@ -683,6 +694,10 @@ Wcoverage-mismatch
 Common Var(warn_coverage_mismatch) Init(1) Warning
 Warn in case profiles in -fprofile-use do not match
 
+Wvector-operation-performance
+Common Var(warn_vector_operation_performance) Warning
+Warn when a vector operation is compiled outside the SIMD
+
 Xassembler
 Driver Separate
 
@@ -1076,6 +1091,10 @@ Enum(excess_precision) String(standard) Value(EXCESS_PRECISION_STANDARD)
 ffast-math
 Common
 
+ffat-lto-objects
+Common Var(flag_fat_lto_objects) Init(1)
+Output lto objects containing both the intermediate language and binary output.
+
 ffinite-math-only
 Common Report Var(flag_finite_math_only) Optimization SetByCombined
 Assume no NaNs or infinities are generated
@@ -1757,6 +1776,11 @@ fshow-column
 Common Report Var(flag_show_column) Init(1)
 Show column numbers in diagnostics, when available.  Default on
 
+fshrink-wrap
+Common Report Var(flag_shrink_wrap) Optimization
+Emit function prologues only before parts of the function that need it,
+rather than at the top of the function.
+
 fsignaling-nans
 Common Report Var(flag_signaling_nans) Optimization SetByCombined
 Disable optimizations observable by IEEE signaling NaNs
@@ -1930,6 +1954,10 @@ ftree-dominator-opts
 Common Report Var(flag_tree_dom) Optimization
 Enable dominator optimizations
 
+ftree-tail-merge
+Common Report Var(flag_tree_tail_merge) Optimization
+Enable tail merging on trees
+
 ftree-dse
 Common Report Var(flag_tree_dse) Optimization
 Enable dead store elimination
@@ -1942,6 +1970,10 @@ ftree-fre
 Common Report Var(flag_tree_fre) Optimization
 Enable Full Redundancy Elimination (FRE) on trees
 
+foptimize-strlen
+Common Report Var(flag_optimize_strlen) Optimization
+Enable string length optimizations on trees
+
 ftree-loop-distribution
 Common Report Var(flag_tree_loop_distribution) Optimization
 Enable loop distribution on trees
@@ -2177,6 +2209,14 @@ ggdb
 Common JoinedOrMissing
 Generate debug information in default extended format
 
+gno-record-gcc-switches
+Common RejectNegative Var(dwarf_record_gcc_switches,0) Init(0)
+Don't record gcc command line switches in DWARF DW_AT_producer.
+
+grecord-gcc-switches
+Common RejectNegative Var(dwarf_record_gcc_switches,1)
+Record gcc command line switches in DWARF DW_AT_producer.
+
 gstabs
 Common JoinedOrMissing Negative(gstabs+)
 Generate debug information in STABS format