diff options
Diffstat (limited to 'lang/gcc28/files/patch-10')
| -rw-r--r-- | lang/gcc28/files/patch-10 | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lang/gcc28/files/patch-10 b/lang/gcc28/files/patch-10 new file mode 100644 index 000000000000..63782b953e0c --- /dev/null +++ b/lang/gcc28/files/patch-10 @@ -0,0 +1,67 @@ +--- invoke.texi.orig Tue Feb 17 10:54:05 1998 ++++ invoke.texi Tue Aug 11 13:29:38 1998 +@@ -115,7 +115,7 @@ + @smallexample + -fsyntax-only -pedantic -pedantic-errors + -w -W -Wall -Waggregate-return -Wbad-function-cast +--Wcast-align -Wcast-qual -Wchar-subscript -Wcomment ++-Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment + -Wconversion -Werror -Wformat + -Wid-clash-@var{len} -Wimplicit -Wimplicit-int + -Wimplicit-function-declarations -Wimport -Winline +@@ -153,6 +153,7 @@ + -frerun-cse-after-loop -fschedule-insns + -fschedule-insns2 -fstrength-reduce -fthread-jumps + -funroll-all-loops -funroll-loops ++-fmove-all-movables -freduce-all-givs -frerun-loop-opt + -O -O0 -O1 -O2 -O3 + @end smallexample + +@@ -2284,6 +2285,47 @@ + Perform the optimization of loop unrolling. This is done for all loops + and usually makes programs run more slowly. @samp{-funroll-all-loops} + implies @samp{-fstrength-reduce} as well as @samp{-frerun-cse-after-loop}. ++ ++@item -fmove-all-movables ++Forces all invariant computations in loops to be moved ++outside the loop. ++This option is provided primarily to improve performance ++for some Fortran code, though it might improve code written ++in other languages. ++ ++@emph{Note:} When compiling programs written in Fortran, ++this option is enabled by default. ++ ++Analysis of Fortran code optimization and the resulting ++optimizations triggered by this option, and the ++@samp{-freduce-all-givs} and @samp{-frerun-loop-opt} ++options as well, were ++contributed by Toon Moene (@code{toon@@moene.indiv.nluug.nl}). ++ ++Please let us (@code{fortran@@gnu.ai.mit.edu}) ++know how use of these options affects ++the performance of your production code. ++We're very interested in code that runs @emph{slower} ++when these options are @emph{enabled}. ++ ++@item -freduce-all-givs ++Forces all general-induction variables in loops to be ++strength-reduced. ++This option is provided primarily to improve performance ++for some Fortran code, though it might improve code written ++in other languages. ++ ++@emph{Note:} When compiling programs written in Fortran, ++this option is enabled by default. ++ ++@item -frerun-loop-opt ++Runs loop optimizations a second time. ++This option is provided primarily to improve performance ++for some Fortran code, though it might improve code written ++in other languages. ++ ++@emph{Note:} When compiling programs written in Fortran, ++this option is enabled by default. + + @item -fno-peephole + Disable any machine-specific peephole optimizations. |