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Apply -flto-partition=one / -flto=full

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This patch fixes a potential bug derived from an incompatibility between LTO and top-level assembly code (INCBIN).

Passed non-regression STC (master e90341f):
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 119352 W: 31986 L: 31862 D: 55504
Ptnml(0-2): 439, 12624, 33400, 12800, 413
https://tests.stockfishchess.org/tests/view/634aacf84bc7650f0755188b

closes https://github.com/official-stockfish/Stockfish/pull/4201

No functional change
This commit is contained in:
MinetaS 2022-10-17 00:03:08 +09:00 • committed by Joost VandeVondele
parent 79c5f3a692
commit 234d2156fd
2 changed files with 4 additions and 3 deletions
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1
AUTHORS
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@ -189,6 +189,7 @@ Stefan Geschwentner (locutus2)
Stefano Cardanobile (Stefano80)
Steinar Gunderson (sesse)
Stéphane Nicolet (snicolet)
Syine Mineta (MinetaS)
Prokop Randáček (ProkopRandacek)
Thanar2
thaspel

6
src/Makefile
View file

@ -678,7 +678,7 @@ endif
ifeq ($(optimize),yes)
ifeq ($(debug), no)
ifeq ($(comp),clang)
CXXFLAGS += -flto
CXXFLAGS += -flto=full
ifeq ($(target_windows),yes)
CXXFLAGS += -fuse-ld=lld
endif
@ -688,10 +688,10 @@ ifeq ($(debug), no)
# GCC on some systems.
else ifeq ($(comp),gcc)
ifeq ($(gccisclang),)
CXXFLAGS += -flto
CXXFLAGS += -flto -flto-partition=one
LDFLAGS += $(CXXFLAGS) -flto=jobserver
else
CXXFLAGS += -flto
CXXFLAGS += -flto=full
LDFLAGS += $(CXXFLAGS)
endif