diff mbox series

[9/9] Clarify -shared effect on crtfastmath.o

Message ID 20230113080203.73D8113913@imap2.suse-dmz.suse.de
State New
Headers
Series [1/9] aarch64: Don't add crtfastmath.o for -shared |

Commit Message

Richard Biener Jan. 13, 2023, 8:02 a.m. UTC 
  This rewords the note to not specifically mention crtfastmath.o
but FP environment altering by -ffast-math or -Ofast.

I'll push this after the target parts are approved.

	PR target/55522
	* doc/invoke.texi (-shared): Clarify effect on -ffast-math
	and -Ofast FP environment side-effects.
---
 gcc/doc/invoke.texi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 701c228bd0a..7a6a83b2641 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -17693,8 +17693,9 @@  needs to build supplementary stub code for constructors to work.  On
 multi-libbed systems, @samp{gcc -shared} must select the correct support
 libraries to link against.  Failing to supply the correct flags may lead
 to subtle defects.  Supplying them in cases where they are not necessary
-is innocuous. For x86, crtfastmath.o will not be added when
-@option{-shared} is specified. }
+is innocuous.  @option{-shared} suppresses the addition of startup code
+to alter the floating-point environment as done with @option{-ffast-math}
+or @option{-Ofast} on some targets.}
 
 @item -shared-libgcc
 @itemx -static-libgcc