diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4b1acf9..78ead0e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -904,9 +904,9 @@ Objective-C and Objective-C++ Dialects}. -mbranch-cost=@var{cost} -mfuse-add=@var{level} -mfuse-move=@var{level} -mcall-prologues -mgas-isr-prologues -mint8 -mflmap -mdouble=@var{bits} -mlong-double=@var{bits} --mn_flash=@var{size} -mno-interrupts +-mn_flash=@var{size} -mfract-convert-truncate -mno-interrupts -mmain-is-OS_task -mrelax -mrmw -mstrict-X -mtiny-stack --mrodata-in-ram -mfract-convert-truncate -msplit-bit-shift +-mrodata-in-ram -msplit-bit-shift -msplit-ldst -mshort-calls -mskip-bug -nodevicelib -nodevicespecs -Waddr-space-convert -Wmisspelled-isr} @@ -24374,6 +24374,11 @@ This optimization is turned on per default for @option{-O2} and higher, including @option{-Os} but excluding @option{-Oz}. Splitting of shifts with a constant offset that is a multiple of 8 is controlled by @option{-mfuse-move}. +@opindex msplit-ldst + +@item -msplit-ldst +Split multi-byte loads and stores into several byte loads and stores. +This optimization is turned on per default for @option{-O2} and higher. @opindex mtiny-stack @item -mtiny-stack |