[avr,applied] Tag optimization options as such.
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Commit Message
Some avr options were missing the "Optimization" flag, which
is added by this patch.
Johann
--
AVR: Tag optimization options as "Optimization".
Some options that are pure optimizations where not tagged as such.
gcc/
* config/avr/avr.opt (mcall-prologues, mrelax, maccumulate-args)
(mstrict-X): Tag as "Optimization".
mstrict-X
-Target Var(avr_strict_X) Init(0)
+Target Var(avr_strict_X) Init(0) Optimization
When accessing RAM, use X as imposed by the hardware, i.e. just use
pre-decrement, post-increment and indirect addressing with the X
register. Without this option, the compiler may assume that there is an
addressing mode X+const similar to Y+const and Z+const and emit
instructions to emulate such an addressing mode for X.
mflmap
@@ -19,7 +19,7 @@
; <http://www.gnu.org/licenses/>.
mcall-prologues
-Target Mask(CALL_PROLOGUES)
+Target Mask(CALL_PROLOGUES) Optimization
Use subroutines for function prologues and epilogues.
mmcu=
@@ -79,7 +79,7 @@ Target Mask(TINY_STACK)
Change only the low 8 bits of the stack pointer.
mrelax
-Target
+Target Optimization
Relax branches.
mpmem-wrap-around
@@ -87,11 +87,11 @@ Target
Make the linker relaxation machine assume that a program counter
wrap-around occurs.
maccumulate-args
-Target Mask(ACCUMULATE_OUTGOING_ARGS)
+Target Mask(ACCUMULATE_OUTGOING_ARGS) Optimization
Accumulate outgoing function arguments and acquire/release the needed
stack space for outgoing function arguments in function
prologue/epilogue. Without this option, outgoing arguments are pushed
before calling a function and popped afterwards. This option can lead
to reduced code size for functions that call many functions that get
their arguments on the stack like, for example printf.