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-rw-r--r--doc/ccomp.114
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/ccomp.1 b/doc/ccomp.1
index 374bd2e7..7ccf97c8 100644
--- a/doc/ccomp.1
+++ b/doc/ccomp.1
@@ -180,6 +180,12 @@ Set alignment of function entry points to <n> bytes.
The default alignment is 16 bytes for x86 targets and 4 bytes for ARM and PowerPC.
.
.TP
+.BR \-fcommon ", " \-fno\-common
+Turn on/off placement of global variables defined without an initializer (tentative definitions) in the common section.
+Disabling the use of the common section inhibits merging of tentative definitions by the linker and may lead to multiple-definition errors.
+Enabled by default.
+.
+.TP
.BR \-ffpu ", " \-fno\-fpu
Turn on/off use of FP registers for some integer operations.
Enabled by default.
@@ -191,12 +197,12 @@ Code Generation Options (PowerPC)
.TP
.B \-falign\-branch\-targets <n>
Set alignment of branch targets to <n> bytes.
-The default alignment is 0 bytes, which deactivates alignment of branch targets.
+By default alignment of branch targets is deactivated.
.
.TP
.B \-falign\-cond\-branches <n>
-Set alignment of conditional branches to <n> bytes.
-The default alignment is 0 bytes, which deactivates alignment of conditional branch targets.
+Set alignment of conditional branch instructions to <n> bytes.
+By default alignment of conditional branches is deactivated.
.
.SS
Code Generation Options (PowerPC with Diab Backend)
@@ -424,7 +430,7 @@ Wrong return type for main.
Enabled by default.
.sp
\fImissing\-declarations\fP:
-Declations which do not declare anything.
+Declarations which do not declare anything.
Enabled by default.
.sp
\fIpointer\-type\-mismatch\fP: