https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93877
--- Comment #7 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- Created attachment 47907 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47907&action=edit Source and preprocessed source plus assembly, second case Here are the saved temps for the second case for which -fno-move-loop-invariants does not help: /usr/bin/c++ -save-temps -DBUILDING_GTK__=1 -DBUILDING_WEBKIT -DBUILDING_WITH_CMAKE=1 -DBUILDING_WebCore -DGETTEXT_PACKAGE=\"WebKit2GTK-4.0\" -DHAVE_CONFIG_H=1 -DJSC_GLIB_API_ENABLED -DSTATICALLY_LINKED_WITH_PAL=1 -DWEBKITGTK_API_VERSION_STRING=\"4.0\" -IDerivedSources/ForwardingHeaders -I../Source/WebCore/platform/graphics/libwpe -I. -IDerivedSources/WebCore -I../Source/WebCore -I../Source/WebCore/Modules/airplay -I../Source/WebCore/Modules/applepay -I../Source/WebCore/Modules/applepay/paymentrequest -I../Source/WebCore/Modules/applicationmanifest -I../Source/WebCore/Modules/beacon -I../Source/WebCore/Modules/cache -I../Source/WebCore/Modules/credentialmanagement -I../Source/WebCore/Modules/encryptedmedia -I../Source/WebCore/Modules/encryptedmedia/legacy -I../Source/WebCore/Modules/entriesapi -I../Source/WebCore/Modules/fetch -I../Source/WebCore/Modules/geolocation -I../Source/WebCore/Modules/indexeddb -I../Source/WebCore/Modules/indexeddb/client -I../Source/WebCore/Modules/indexeddb/server -I../Source/WebCore/Modules/indexeddb/shared -I../Source/WebCore/Modules/mediacapabilities -I../Source/WebCore/Modules/mediacontrols -I../Source/WebCore/Modules/mediarecorder -I../Source/WebCore/Modules/mediasession -I../Source/WebCore/Modules/mediasource -I../Source/WebCore/Modules/mediastream -I../Source/WebCore/Modules/mediastream/libwebrtc -I../Source/WebCore/Modules/navigatorcontentutils -I../Source/WebCore/Modules/notifications -I../Source/WebCore/Modules/paymentrequest -I../Source/WebCore/Modules/plugins -I../Source/WebCore/Modules/quota -I../Source/WebCore/Modules/speech -I../Source/WebCore/Modules/streams -I../Source/WebCore/Modules/webaudio -I../Source/WebCore/Modules/webauthn -I../Source/WebCore/Modules/webauthn/cbor -I../Source/WebCore/Modules/webauthn/fido -I../Source/WebCore/Modules/webdatabase -I../Source/WebCore/Modules/webdriver -I../Source/WebCore/Modules/webgpu -I../Source/WebCore/Modules/webgpu/WHLSL -I../Source/WebCore/Modules/webgpu/WHLSL/AST -I../Source/WebCore/Modules/websockets -I../Source/WebCore/Modules/webvr -I../Source/WebCore/accessibility -I../Source/WebCore/accessibility/isolatedtree -I../Source/WebCore/animation -I../Source/WebCore/bindings -I../Source/WebCore/bindings/js -I../Source/WebCore/bridge -I../Source/WebCore/bridge/c -I../Source/WebCore/bridge/jsc -I../Source/WebCore/contentextensions -I../Source/WebCore/crypto -I../Source/WebCore/crypto/algorithms -I../Source/WebCore/crypto/keys -I../Source/WebCore/crypto/parameters -I../Source/WebCore/css -I../Source/WebCore/css/parser -I../Source/WebCore/css/typedom -I../Source/WebCore/cssjit -I../Source/WebCore/dom -I../Source/WebCore/dom/messageports -I../Source/WebCore/domjit -I../Source/WebCore/editing -I../Source/WebCore/fileapi -I../Source/WebCore/history -I../Source/WebCore/html -I../Source/WebCore/html/canvas -I../Source/WebCore/html/forms -I../Source/WebCore/html/parser -I../Source/WebCore/html/shadow -I../Source/WebCore/html/track -I../Source/WebCore/inspector -I../Source/WebCore/inspector/agents -I../Source/WebCore/inspector/agents/page -I../Source/WebCore/inspector/agents/worker -I../Source/WebCore/layout -I../Source/WebCore/layout/blockformatting -I../Source/WebCore/layout/displaytree -I../Source/WebCore/layout/floats -I../Source/WebCore/layout/inlineformatting -I../Source/WebCore/layout/inlineformatting/text -I../Source/WebCore/layout/layouttree -I../Source/WebCore/loader -I../Source/WebCore/loader/appcache -I../Source/WebCore/loader/archive -I../Source/WebCore/loader/archive/mhtml -I../Source/WebCore/loader/cache -I../Source/WebCore/loader/icon -I../Source/WebCore/mathml -I../Source/WebCore/page -I../Source/WebCore/page/animation -I../Source/WebCore/page/csp -I../Source/WebCore/page/scrolling -I../Source/WebCore/platform -I../Source/WebCore/platform/animation -I../Source/WebCore/platform/audio -I../Source/WebCore/platform/encryptedmedia -I../Source/WebCore/platform/gamepad -I../Source/WebCore/platform/graphics -I../Source/WebCore/platform/graphics/cpu/arm -I../Source/WebCore/platform/graphics/cpu/arm/filters -I../Source/WebCore/platform/graphics/displaylists -I../Source/WebCore/platform/graphics/filters -I../Source/WebCore/platform/graphics/iso -I../Source/WebCore/platform/graphics/opentype -I../Source/WebCore/platform/graphics/transforms -I../Source/WebCore/platform/mediacapabilities -I../Source/WebCore/platform/mediarecorder -I../Source/WebCore/platform/mediasession -I../Source/WebCore/platform/mediastream -I../Source/WebCore/platform/mediastream/libwebrtc -I../Source/WebCore/platform/mock -I../Source/WebCore/platform/mock/mediasource -I../Source/WebCore/platform/network -I../Source/WebCore/platform/sql -I../Source/WebCore/platform/text -I../Source/WebCore/platform/vr -I../Source/WebCore/plugins -I../Source/WebCore/rendering -I../Source/WebCore/rendering/line -I../Source/WebCore/rendering/mathml -I../Source/WebCore/rendering/shapes -I../Source/WebCore/rendering/style -I../Source/WebCore/rendering/svg -I../Source/WebCore/rendering/updating -I../Source/WebCore/replay -I../Source/WebCore/storage -I../Source/WebCore/style -I../Source/WebCore/svg -I../Source/WebCore/svg/animation -I../Source/WebCore/svg/graphics -I../Source/WebCore/svg/graphics/filters -I../Source/WebCore/svg/properties -I../Source/WebCore/websockets -I../Source/WebCore/workers -I../Source/WebCore/workers/service -I../Source/WebCore/workers/service/context -I../Source/WebCore/workers/service/server -I../Source/WebCore/worklets -I../Source/WebCore/xml -I../Source/WebCore/xml/parser -I../Source/WebCore/platform/graphics/gpu -I../Source/ThirdParty/xdgmime/src -I../Source/WebCore/platform/graphics/cairo -I../Source/WebCore/platform/graphics/freetype -I../Source/WebCore/platform/graphics/harfbuzz -I../Source/WebCore/platform/graphics/harfbuzz/ng -I../Source/WebCore/platform/graphics/gstreamer -I../Source/WebCore/platform/graphics/gstreamer/mse -I../Source/WebCore/platform/graphics/gstreamer/eme -I../Source/WebCore/platform/audio/gstreamer -I../Source/WebCore/platform/image-decoders -I../Source/WebCore/platform/image-decoders/bmp -I../Source/WebCore/platform/image-decoders/gif -I../Source/WebCore/platform/image-decoders/ico -I../Source/WebCore/platform/image-decoders/jpeg -I../Source/WebCore/platform/image-decoders/jpeg2000 -I../Source/WebCore/platform/image-decoders/png -I../Source/WebCore/platform/image-decoders/webp -I../Source/WebCore/platform/network/soup -I../Source/WebCore/platform/graphics/texmap -I../Source/WebCore/platform/graphics/nicosia -I../Source/WebCore/page/scrolling/nicosia -I../Source/WebCore/platform/graphics/texmap/coordinated -I../Source/WebCore/platform/graphics/nicosia/cairo -I../Source/WebCore/platform/graphics/nicosia/texmap -I../Source/WebCore/accessibility/atk -I../Source/WebCore/editing/atk -I../Source/WebCore/page/gtk -I../Source/WebCore/platform/generic -I../Source/WebCore/platform/gtk -I../Source/WebCore/platform/graphics/egl -I../Source/WebCore/platform/graphics/glx -I../Source/WebCore/platform/graphics/gtk -I../Source/WebCore/platform/graphics/opengl -I../Source/WebCore/platform/graphics/wayland -I../Source/WebCore/platform/graphics/x11 -I../Source/WebCore/platform/mediastream/gtk -I../Source/WebCore/platform/mediastream/gstreamer -I../Source/WebCore/platform/network/gtk -I../Source/WebCore/platform/text/gtk -IDerivedSources -I../Source/ThirdParty -isystem /usr/include/libxml2 -isystem /usr/include/cairo -isystem /usr/include/freetype2 -isystem /usr/include/harfbuzz -isystem /usr/include/gstreamer-1.0 -isystem /usr/include/glib-2.0 -isystem /usr/lib/sh4-linux-gnu/glib-2.0/include -isystem /usr/include/orc-0.4 -isystem /usr/lib/sh4-linux-gnu/gstreamer-1.0/include -isystem /usr/include/libdrm -isystem /usr/include/openjpeg-2.3 -isystem /usr/include/libsoup-2.4 -isystem /usr/include/atk-1.0 -isystem /usr/include/enchant-2 -isystem /usr/include/gtk-3.0 -isystem /usr/include/gio-unix-2.0 -isystem /usr/include/pango-1.0 -isystem /usr/include/fribidi -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem /usr/include/pixman-1 -isystem /usr/include/uuid -isystem /usr/include/libpng16 -isystem /usr/include/at-spi2-atk/2.0 -isystem /usr/include/at-spi-2.0 -isystem /usr/include/dbus-1.0 -isystem /usr/lib/sh4-linux-gnu/dbus-1.0/include -isystem /usr/include/libsecret-1 -isystem /usr/include/wpe-1.0 -fdiagnostics-color=always -Wextra -Wall -Wno-expansion-to-defined -Wno-psabi -Wno-noexcept-type -Wno-maybe-uninitialized -Wwrite-strings -Wundef -Wpointer-arith -Wmissing-format-attribute -Wformat-security -Wcast-align -g1 -fdebug-prefix-map=//build/webkit2gtk-QyBTFj/webkit2gtk-2.26.4/build=. -specs=/usr/share/dpkg/pie-compile.specs -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -mlra -fno-move-loop-invariants -DNDEBUG -DG_DISABLE_CAST_CHECKS -fno-strict-aliasing -fno-exceptions -fno-rtti -fPIC -std=c++17 -MD -MT Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp.o -MF Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp.o.d -o Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp.o -c DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp -O2 In file included from DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:33, from DerivedSources/ForwardingHeaders/wtf/text/UniquedStringImpl.h:28, from DerivedSources/ForwardingHeaders/wtf/text/AtomStringImpl.h:23, from DerivedSources/ForwardingHeaders/wtf/text/AtomString.h:25, from DerivedSources/ForwardingHeaders/wtf/text/StringHash.h:25, from DerivedSources/ForwardingHeaders/wtf/JSONValues.h:36, from ../Source/WebCore/platform/graphics/IntSize.h:29, from ../Source/WebCore/platform/graphics/IntPoint.h:28, from ../Source/WebCore/platform/graphics/FloatSize.h:30, from ../Source/WebCore/platform/DragImage.h:28, from ../Source/WebCore/platform/Pasteboard.h:28, from ../Source/WebCore/platform/StaticPasteboard.h:28, from ../Source/WebCore/platform/StaticPasteboard.cpp:27, from DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp:1: DerivedSources/ForwardingHeaders/wtf/text/ASCIIFastPath.h: In instantiation of ‘bool WTF::charactersAreAllASCII(const CharacterType*, size_t) [with CharacterType = unsigned char; size_t = unsigned int]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:812:61: required from here DerivedSources/ForwardingHeaders/wtf/text/ASCIIFastPath.h:95:26: warning: cast from ‘const unsigned char*’ to ‘const MachineWord*’ {aka ‘const unsigned int*’} increases required alignment of target type [-Wcast-align] 95 | allCharBits |= *(reinterpret_cast_ptr<const MachineWord*>(characters)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DerivedSources/ForwardingHeaders/wtf/text/ASCIIFastPath.h: In instantiation of ‘bool WTF::charactersAreAllASCII(const CharacterType*, size_t) [with CharacterType = char16_t; size_t = unsigned int]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:813:58: required from here DerivedSources/ForwardingHeaders/wtf/text/ASCIIFastPath.h:95:26: warning: cast from ‘const char16_t*’ to ‘const MachineWord*’ {aka ‘const unsigned int*’} increases required alignment of target type [-Wcast-align] In file included from DerivedSources/ForwardingHeaders/wtf/text/UniquedStringImpl.h:28, from DerivedSources/ForwardingHeaders/wtf/text/AtomStringImpl.h:23, from DerivedSources/ForwardingHeaders/wtf/text/AtomString.h:25, from DerivedSources/ForwardingHeaders/wtf/text/StringHash.h:25, from DerivedSources/ForwardingHeaders/wtf/JSONValues.h:36, from ../Source/WebCore/platform/graphics/IntSize.h:29, from ../Source/WebCore/platform/graphics/IntPoint.h:28, from ../Source/WebCore/platform/graphics/FloatSize.h:30, from ../Source/WebCore/platform/DragImage.h:28, from ../Source/WebCore/platform/Pasteboard.h:28, from ../Source/WebCore/platform/StaticPasteboard.h:28, from ../Source/WebCore/platform/StaticPasteboard.cpp:27, from DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp:1: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h: In instantiation of ‘T* WTF::StringImpl::tailPointer() [with T = char16_t]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:853:71: required from here DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1161:12: warning: cast from ‘uint8_t*’ {aka ‘unsigned char*’} to ‘char16_t*’ increases required alignment of target type [-Wcast-align] 1161 | return reinterpret_cast_ptr<T*>(reinterpret_cast<uint8_t*>(this) + tailOffset<T>()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h: In instantiation of ‘const T* WTF::StringImpl::tailPointer() const [with T = char16_t]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1151:43: required from here DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1156:12: warning: cast from ‘const uint8_t*’ {aka ‘const unsigned char*’} to ‘const char16_t*’ increases required alignment of target type [-Wcast-align] 1156 | return reinterpret_cast_ptr<const T*>(reinterpret_cast<const uint8_t*>(this) + tailOffset<T>()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h: In instantiation of ‘const T* WTF::StringImpl::tailPointer() const [with T = WTF::StringImpl*]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1168:38: required from here DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1156:12: warning: cast from ‘const uint8_t*’ {aka ‘const unsigned char*’} to ‘WTF::StringImpl* const*’ increases required alignment of target type [-Wcast-align] DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h: In instantiation of ‘T* WTF::StringImpl::tailPointer() [with T = WTF::StringImpl*]’: DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1175:38: required from here DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:1161:12: warning: cast from ‘uint8_t*’ {aka ‘unsigned char*’} to ‘WTF::StringImpl**’ increases required alignment of target type [-Wcast-align] 1161 | return reinterpret_cast_ptr<T*>(reinterpret_cast<uint8_t*>(this) + tailOffset<T>()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../Source/WebCore/platform/graphics/FontCascadeDescription.h:29, from ../Source/WebCore/platform/graphics/FontCascade.h:29, from ../Source/WebCore/platform/graphics/GraphicsContext.h:31, from ../Source/WebCore/platform/Theme.cpp:29, from DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp:2: DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h: In instantiation of ‘T* WTF::RefCountedArray<T, PtrTraits>::Header::payload() [with T = WTF::AtomString; PtrTraits = WTF::DumbPtrTraits<WTF::AtomString>]’: DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h:70:12: required from ‘WTF::RefCountedArray<T, PtrTraits>::RefCountedArray(size_t) [with T = WTF::AtomString; PtrTraits = WTF::DumbPtrTraits<WTF::AtomString>; size_t = unsigned int]’ ../Source/WebCore/platform/graphics/FontCascadeDescription.h:138:48: required from here DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h:225:20: warning: cast from ‘char*’ to ‘WTF::AtomString*’ increases required alignment of target type [-Wcast-align] 225 | return reinterpret_cast_ptr<T*>(result); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h: In instantiation of ‘static WTF::RefCountedArray<T, PtrTraits>::Header* WTF::RefCountedArray<T, PtrTraits>::Header::fromPayload(T*) [with T = WTF::AtomString; PtrTraits = WTF::DumbPtrTraits<WTF::AtomString>]’: DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h:72:28: required from ‘WTF::RefCountedArray<T, PtrTraits>::RefCountedArray(size_t) [with T = WTF::AtomString; PtrTraits = WTF::DumbPtrTraits<WTF::AtomString>; size_t = unsigned int]’ ../Source/WebCore/platform/graphics/FontCascadeDescription.h:138:48: required from here DerivedSources/ForwardingHeaders/wtf/RefCountedArray.h:230:20: warning: cast from ‘char*’ to ‘WTF::RefCountedArray<WTF::AtomString>::Header*’ increases required alignment of target type [-Wcast-align] 230 | return reinterpret_cast_ptr<Header*>(reinterpret_cast<char*>(payload) - size()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from DerivedSources/WebCore/unified-sources/UnifiedSource-3c72abbe-7.cpp:2: ../Source/WebCore/platform/Theme.cpp: In function ‘virtual void WebCore::Theme::drawNamedImage(const WTF::String&, WebCore::GraphicsContext&, const WebCore::FloatRect&) const’: ../Source/WebCore/platform/Theme.cpp:155:1: error: insn does not satisfy its constraints: 155 | } | ^ (insn 1370 1369 63 2 (parallel [ (set (reg:SF 65 fr1 [1270]) (reg:SF 0 r0 [1271])) (use (reg:SI 154 fpscr0)) (clobber (scratch:SI)) ]) "../Source/WebCore/platform/graphics/FloatPoint.h":69:49 214 {movsf_ie} (expr_list:REG_DEAD (reg:SF 0 r0 [1271]) (nil))) during RTL pass: cprop_hardreg ../Source/WebCore/platform/Theme.cpp:155:1: internal compiler error: in extract_constrain_insn, at recog.c:2211
