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X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791997134787696553 X-GMAIL-MSGID: 1791997134787696553 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 diff --git a/gcc/config/avr/avr.opt b/gcc/config/avr/avr.opt index c9f2b4d2fe5..76530fd0f71 100644 --- a/gcc/config/avr/avr.opt +++ b/gcc/config/avr/avr.opt @@ -19,7 +19,7 @@ ; . 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.