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-rw-r--r--contrib/gcc/gcc.18
1 files changed, 8 insertions, 0 deletions
diff --git a/contrib/gcc/gcc.1 b/contrib/gcc/gcc.1
index 4e70741..b30ebf3 100644
--- a/contrib/gcc/gcc.1
+++ b/contrib/gcc/gcc.1
@@ -265,6 +265,8 @@ in the following sections.
\-O
\-O2
\-O3
+\-O0
+\-Os
.TP
.B Preprocessor Options
.RI \-A assertion
@@ -2459,6 +2461,12 @@ Optimize yet more. This turns on everything
does, along with also turning on
.B \-finline\-functions.
.TP
+.B \-Os
+Optimize for size. This enables all
+.B \-O2
+optimizations that do not typically increase code size. It also performs
+further optimizations designed to reduce code size.
+.TP
.B \-O0
Do not optimize.
.Sp
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