KMC Staff Blog

2024年07鐃緒申12鐃緒申

LLVM18鐃塾驚逸申的鐃淑削申適鐃緒申鐃熟どのよう鐃祝種申鐃緒申鐃緒申鐃緒申討鐃緒申鐃塾わ申調鐃駿てみまわ申鐃緒申

鐃緒申鐃獣わ申鐃緒申鐃緒申覆鐃銃逸申鐃緒申討鐃緒申鐃緒申鐃緒申鐃緒申匹鐃� LLVM 18 鐃緒申鐃緒申動鐃緒申鐃淑わ申鐃淑ってわ申鐃殉っわ申鐃緒申鐃夙をきっわ申鐃緒申鐃祝始まっわ申調鐃緒申鐃叔わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃春わ申鐃出わ申鐃獣わ申鐃緒申鐃緒申分鐃縮になわ申泙鐃緒申鐃緒申鐃�

SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申1鐃緒申signed鐃緒申unsigned鐃緒申鐃緒申鐃緒申鐃粛わ申鐃緒申鐃楯わ申INT_MIN
SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申2鐃緒申RISC-V鐃緒申RV64I鐃叔わ申unsigned鐃緒申32bit即鐃粛でわ申64bit鐃曙ジ鐃緒申鐃緒申鐃塾常申鐃�32bit鐃緒申0鐃夙は限わ申覆鐃�
RV64I鐃緒申unsigned鐃緒申32bit鐃粛わ申鐃緒申鐃緒申張鐃緒申鐃緒申覆鐃緒申粘愎鐃緒申縫譽醐申鐃緒申鐃緒申呂鐃緒申鐃緒申鐃緒申里呂匹鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�
SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申3鐃祝わ申鐃盾そ鐃緒申単鐃緒申鐃緒申鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃初算鐃薯ソフトワ申鐃緒申鐃緒申鐃緒申鐃淳ワ申譟種申鐃緒申鐃藷すわ申愎鐃緒申硫鐃緒申鐃緒申鐃緒申鐃�float鐃祝わ申鐃緒申戮鐃�

鐃緒申鐃緒申鐃銃￥申鐃緒申鐃緒申僖鐃緒申鐃塾削申適鐃緒申鐃塾バワ申鐃叔はなわ申鐃緒申鐃緒申鐃緒申鐃宿にわ申箸鐃夙わ申鐃獣わ申鐃緒申鐃所が鐃緒申鐃淳駕申鐃緒申鐃緒申鐃夙わ申鐃緒申鐃緒申鐃緒申鐃祝なわ申泙鐃緒申鐃緒申鐃緒申楮戮肋綉㍼申鐃藷クを参照わ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申

鐃緒申鐃緒申調鐃緒申鐃塾駕申鐃緒申鐃緒申 LLVM 18 鐃塾驚逸申的鐃淑削申適鐃緒申鐃緒申鐃旬わ申鐃緒申鐃緒申鐃緒申砲鐃緒申泙鐃緒申鐃緒申鐃緒申焚鐃緒申里茲�申鐃� float 鐃緒申 uint32_t 鐃夙わ申鐃銃逸申鐃緒申鐃緒申鐃緒申鐃俊ットわ申鐃緒申咾鐃緒申襯鰹申鐃緒申匹鐃緒申鐃�

    aSign = a >> 31;
    bSign = b >> 31;
    if ( aSign != bSign ) { ... }

RV64I 鐃緒申鐃緒申鐃緒申鐃獣トでわ申 uint32_t 鐃叔わ申鐃獣てわ申鐃緒申 64 bit 鐃緒申鐃緒申鐃緒申張鐃緒申鐃緒申鐃夙わ申鐃緒申 RISC-V 鐃塾呼び出わ申鐃緒申鐃緒申鐃緒申鐃緒申僂鐃緒申鐃緒申鐃�64 bit 鐃塾￥申xor 鐃緒申鐃獣わ申鐃緒申鐃俊ット￥申bit 31 鐃叔はなわ申 bit 63鐃祝わ申 1鐃緒申鐃縦まわ申鐃緒申凌鐃緒申覆鐃緒申鐃緒申鐃俊ットわ申鐃循なわ申里納鐃緒申縫鐃緒申鐃緒申廖鐃�Branch Less Than Zero; bltz鐃祝とわ申鐃緒申鐃緒申鐃緒申鐃宿わ申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃�

  xor         a2, a1, a0
  bltz        a2, 0x1c

LLVM 17 鐃殉では￥申鐃淑駕申鐃塾よう鐃祝駕申鐃緒申 32 bit 鐃緒申 31 bit 鐃緒申鐃緒申鐃緒申鐃緒申鐃春ト￥申Shift Right Logical Immediate Word; srliw鐃祝わ申鐃緒申鐃緒申咫鐃�Branch Not Equal; bne鐃祝とわ申鐃緒申鐃緒申直鐃淑ワ申鐃緒申鐃宿わ申鐃出てわ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃塾わ申鐃緒申鐃緒申鐃緒申里鐃緒申襯鰹申鐃緒申匹任鐃緒申鐃緒申鐃縮わ申動鐃庶し鐃銃わ申鐃緒申鐃塾でわ申鐃緒申

  srliw       a2, a0, 0x1f
  srliw       a3, a1, 0x1f
  bne         a2, a3, 0x38

鐃緒申鐃緒申丙鐃重�申鐃緒申鐃緒申鐃緒申辰鐃緒申鐃緒申匹鐃緒申鐃獣わ申鐃緒申存鐃緒申任鐃緒申鐃塾でわ申鐃順う鐃緒申鐃緒申調鐃駿てみまわ申鐃緒申鐃緒申

続鐃緒申鐃緒申鐃宿わ申

kmckk at 18:59鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2024年07鐃緒申11鐃緒申

SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申3鐃祝わ申鐃盾そ鐃緒申単鐃緒申鐃緒申鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃初算鐃薯ソフトワ申鐃緒申鐃緒申鐃緒申鐃淳ワ申譟種申鐃緒申鐃藷すわ申愎鐃緒申硫鐃緒申鐃緒申鐃緒申鐃�float鐃祝わ申鐃緒申戮鐃�

鐃緒申鐃緒申鐃緒申竜鐃緒申鐃�鐃叔わ申

鐃緒申鐃緒申鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃竣と呼ぶのわ申適鐃准なのわ申鐃熟種申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鵑�鐃緒申鐃緒申鐃緒申蕕�申廛鐃緒申鐃緒申鐃殉にわ申鐃緒申uint32_t 鐃緒申 31 鐃俊ット縁申鐃緒申鐃春トわ申鐃緒申鐃緒申隋�bit 0 鐃淑鰹申鐃緒申鐃緒申鐃緒申 0 鐃祝なり、0x0 鐃緒申 0x1 鐃塾どわ申鐃初か鐃緒申必鐃緒申鐃淑わ申廚箸鐃緒申鐃緒申鐃緒申曚硫鐃緒申蠅�申鐃緒申辰鐃緒申里任呂覆鐃緒申鐃緒申隼廚鐃曙、鐃緒申鐃緒申鐃夙は限わ申覆鐃緒申箸鐃緒申鐃緒申鐃縮ｏ申鐃縮わ申鐃緒申動鐃緒申丱鐃緒申箸鐃緒申泙鐃緒申鐃緒申鐃�

鐃緒申鐃緒申竜鐃緒申鐃�鐃叔わ申

鐃緒申鐃緒申僖鐃緒申鐃初イ鐃藷タワ申鐃緒申愎鐃緒申鐃� C 鐃緒申鐃緒申鐃緒申佑鐃緒申鐃緒申討任呂覆鐃緒申鐃緒申鐃緒申鐃緒申縫鐃緒申鐃術ワ申鐃緒申亮鐃緒申鐃緒申鳩鐃俊つわ申鐃緒申鐃緒申痢淵鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申琉鐃緒申鐃緒申塙佑鐃緒申鐃緒申鐃祝なので￥申鐃淑わ申任發�申鐃淑のでわ申鐃順う鐃緒申

鐃叔はなわ申 compiler-rt 鐃塾関随申鐃緒申鐃緒申鐃緒申廚覆里鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申笋�申鐃緒申泙鐃殉わ申鐃緒申鐃緒申鐃宿わ申鐃緒申譽醐申鐃緒申鐃緒申呂鐃緒申鐃緒申鐃銃わ申鐃緒申鐃粛わ申鐃緒申戰鐃緒申鐃緒申奪鐃緒申暴颪Ⅴ鐃緒申鐃緒申鐃緒申鐃緒申佞鐃緒申鐃緒申儡鐃緒申鐃緒申動鐃緒申辰討鐃緒申襪�申鐃緒申鐃緒申鐃竣なよう鐃叔わ申鐃緒申

鐃緒申鐃盾そ鐃緒申鐃緒申鐃緒申鐃� __ltsf2 鐃緒申鐃熟ってわ申鐃緒申里鐃� float 鐃緒申鐃塾よう鐃叔￥申鐃緒申鐃塾まわ申 uint32_t 鐃叔逸申鐃獣てはわ申鐃緒申鐃淑わ申鐃塾わ申鐃盾し鐃緒申泙鐃緒申鐃�

鐃淑どとわ申鐃殉わ申鐃緒申鐃銃緒申鐃緒申蕕誌申討鐃緒申泙鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縦器申戮泙鐃緒申鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 13:06鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2024年07鐃緒申10鐃緒申

RV64I鐃緒申unsigned鐃緒申32bit鐃粛わ申鐃緒申鐃緒申張鐃緒申鐃緒申覆鐃緒申粘愎鐃緒申縫譽醐申鐃緒申鐃緒申呂鐃緒申鐃緒申鐃緒申里呂匹鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�

鐃緒申鐃緒申竜鐃緒申鐃緒申鐃�SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申2鐃緒申RISC-V鐃緒申RV64I鐃叔わ申unsigned鐃緒申32bit即鐃粛でわ申64bit鐃曙ジ鐃緒申鐃緒申鐃塾常申鐃�32bit鐃緒申0鐃夙は限わ申覆鐃�鐃竣わ申鐃緒申足鐃叔わ申鐃緒申

RISCV RV64I 鐃叔わ申 unsigned 鐃緒申 32 bit 鐃粛￥申uint32_t鐃祝でわ申鐃獣ても、鐃緒申鐃緒申鐃緒申僖譽醐申鐃緒申鐃緒申鐃叔わ申鐃緒申鐃緒申張鐃緒申鐃曙た鐃緒申鐃叔逸申鐃緒申鐃殉わ申鐃緒申鐃純え鐃緒申 f(uint32_t) 鐃舜随申鐃緒申 f(0xc0000000) 鐃緒申鐃熟わ申鐃緒申鐃緒申隋�申鐃緒申鐃緒申鐃緒申鐃緒申呂鐃� a0鐃緒申x10鐃祝レジ鐃緒申鐃緒申鐃祝わ申 0x00000000c0000000 鐃叔はなわ申 0xffffffffc0000000 鐃緒申鐃熟わ申泙鐃緒申鐃�Clang 鐃緒申鐃緒申僖鐃緒申鐃盾こ鐃塾誌申鐃粛わ申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃重�申鐃緒申鐃峻ってわ申鐃殉わ申鐃緒申

鐃淑わ申弌鐃緒申鐃緒申鐃縦ワ申鐃緒申鐃淑わ申鐃緒申鐃緒申 32 bit 鐃粛わ申鐃舜随申鐃祝レジ鐃緒申鐃緒申鐃熟わ申鐃緒申鐃緒申討鐃緒申鐃緒申覆鐃出￥申鐃緒申鐃緒申魯丱鐃緒申任呂覆鐃緒申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申笋�申鐃緒申泙鐃殉わ申鐃緒申鐃緒申鐃盾そ鐃盾こ鐃緒申鐃粛はどわ申鐃緒申鐃緒申鐃処た鐃塾でわ申鐃順う鐃緒申鐃緒申調鐃駿てみまわ申鐃緒申鐃緒申

続鐃緒申鐃緒申鐃宿わ申

kmckk at 18:59鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2024年07鐃緒申05鐃緒申

SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申2鐃緒申RISC-V鐃緒申RV64I鐃叔わ申unsigned鐃緒申32bit即鐃粛でわ申64bit鐃曙ジ鐃緒申鐃緒申鐃塾常申鐃�32bit鐃緒申0鐃夙は限わ申覆鐃�

鐃緒申鐃緒申竜鐃緒申鐃緒申鐃�SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申1鐃緒申signed鐃緒申unsigned鐃緒申鐃緒申鐃緒申鐃粛わ申鐃緒申鐃楯わ申INT_MIN鐃竣わ申続鐃緒申鐃叔わ申鐃緒申

鐃緒申鐃緒申竜鐃緒申鐃緒申任牢凌鐃緒申覆鐃緒申箸鐃緒申忘鐃曙た鐃塾でわ申鐃緒申鐃緒申libc 鐃塾￥申fp 鐃緒申鐃春トワ申鐃緒申鐃緒申鐃緒申鐃淳ワ申譟種申鐃緒申鐃緒申廚箸蓮鐃緒申弔泙鐃� libc 鐃叔ワ申鐃緒申僖鐃緒申鐃緒申鵐織鐃緒申鐃初イ鐃瞬ワ申鐃緒申GCC 鐃緒申 libgcc 鐃緒申 LLVM 鐃緒申 compiler-rt鐃祝の関随申鐃緒申鐃緒申鐃緒申鐃緒申討鐃緒申鐃夙わ申鐃緒申鐃緒申鐃夙でわ申鐃緒申FPU 鐃緒申無鐃緒申鐃緒申鐃緒申鐃緒申鐃獣トでは￥申鐃緒申鐃緒申僖鐃緒申鐃緒申 fp 命鐃緒申鐃緒申鐃緒申鐃祝わ申鐃塾関随申鐃緒申討喀个鐃緒申泙鐃緒申鐃�

鐃淑わ申鐃緒申鐃緒申鐃緒申鐃緒申櫃覆鐃緒申箸鬚靴討鐃緒申襪�申箸鐃緒申鐃緒申函鐃�libgcc 鐃緒申 compiler-rt 鐃緒申 fenv.h 鐃緒申鐃塾醐申鐃緒申鐃緒申鐃緒申鐃緒申 FE_TONEAREST 鐃緒申 fp 鐃初算鐃緒申圓鐃緒申鐃緒申鐃緒申鐃夙思わ申鐃殉わ申鐃緒申鐃緒申鐃緒申的鐃祝わ申 FPU 鐃緒申無鐃緒申 CPU 鐃叔丸わ申鐃緒申鐃緒申鐃塾刻申慮鐃緒申必鐃竣になわ申茲�申淵廛鐃緒申鐃緒申鐃緒申鐃渋行わ申鐃暑ケ鐃緒申鐃緒申鐃熟居申鐃緒申鐃夙思わ申鐃殉わ申鐃緒申鐃緒申NetBSD 鐃祝はわ申鐃緒申鐃緒申蠅�申鐃緒申鐃塾でわ申鐃順う鐃緒申鐃緒申鐃緒申鐃述わ申任鐃緒申鐃渋わ申鐃緒申鐃銃のワ申鐃楯￥申鐃夙ワ申鐃緒申鐃緒申鐃獣トわ申標鐃緒申暴鐃薯しわ申動鐃緒申鐃峻わ申鐃緒申鐃緒申僖鐃緒申鐃縦￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申覆鐃緒申椹悗鐃緒申討鐃緒申泙鐃緒申鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 15:44鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2024年07鐃緒申04鐃緒申

SoftFloat鐃緒申未鐃緒申鐃銃逸申鐃出ワ申鐃緒申1鐃緒申signed鐃緒申unsigned鐃緒申鐃緒申鐃緒申鐃粛わ申鐃緒申鐃楯わ申INT_MIN

NetBSD 鐃緒申 libc 鐃緒申 FPU 鐃緒申鐃緒申鐃緒申覆鐃緒申鐃緒申鐃緒申鐃緒申奪噺鐃緒申鐃緒申鐃� fp鐃緒申鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃祝ワ申鐃春トワ申鐃緒申鐃緒申鐃緒申鐃淳ワ申譟種申鐃緒申鐃緒申鐃� John R. Hauser 鐃潤が鐃緒申発鐃緒申鐃銃わ申鐃緒申 Berkeley SoftFloat 鐃塾バ￥申鐃緒申鐃緒申鐃� 2a 鐃緒申鐃緒申僂鐃緒申討鐃緒申泙鐃緒申鐃�
http://www.jhauser.us/arithmetic/SoftFloat.html

鐃緒申鐃述のワ申鐃緒申僖鐃緒申鐃縦￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃� exeClang 鐃緒申 NetBSD 鐃緒申 libc 鐃緒申鐃緒申僂鐃緒申討鐃緒申鐃塾でわ申鐃緒申鐃緒申LLVM 18 鐃叔の鰹申発鐃緒申鐃� RISC-V 鐃緒申 RV64 IMA鐃緒申noFPU鐃祝ワ申鐃緒申鐃緒申鐃獣トをいつわ申里茲�申望鐃緒申僖鐃緒申鐃術ワ申鐃緒申謄鐃緒申肇鐃緒申鐃緒申鐃緒申箸砲鐃緒申鐃緒申鐃夙￥申鐃緒申鐃緒申 fail 鐃緒申 1 鐃緒申発鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申

鐃緒申鐃塾醐申鐃緒申鐃緒申鐃宿究し鐃銃行わ申鐃緒申鐃緒申鐃叔￥申鐃緒申鐃緒申 SoftFloat 鐃緒申未鐃緒申鐃銃逸申鐃緒申Undefined Behavior; UB鐃祝わ申 2 鐃緒申発鐃緒申鐃緒申鐃緒申鐃塾で紹介しまわ申鐃緒申鐃緒申鐃緒申呂鐃緒申里鐃緒申鐃� 1 鐃緒申鐃旬でわ申鐃緒申

続鐃緒申鐃緒申鐃宿わ申

kmckk at 20:10鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2024年06鐃緒申27鐃緒申

MSYS2鐃緒申QEMU鐃緒申鐃緒申僂鐃緒申鐃緒申鐃緒申UCRT64鐃叔わ申箴�

MSYS2 鐃緒申鐃緒申僂鐃緒申鐃緒申隋�MinGW64 鐃縦駈申鐃緒申 UCRT64 鐃縦駈申鐃緒申 2 鐃縦わ申鐃緒申鐃緒申泙鐃緒申鐃�

MinGW64 鐃緒申鐃緒申鐃緒申鐃淳随申鐃緒申 Microsoft Visual C++ 鐃緒申 msvcrt 鐃緒申 C RunTime鐃緒申CRT鐃祝ライ鐃瞬ワ申鐃祝誌申鐃術わ申鐃殉わ申鐃緒申鐃緒申鐃緒申 UCRT64 鐃緒申 Windows 10 鐃緒申鐃緒申鐃緒申儔鐃叔緒申鐃� Universal CRT 鐃緒申鐃緒申僂鐃緒申泙鐃緒申鐃緒申鐃�UCRT64 鐃緒申 2020 年鐃緒申鐃緒申鐃緒申鐃初開発鐃緒申鐃熟まっわ申鐃緒申鐃重�申鐃緒申鐃緒申鐃緒申超鐃緒申任鐃緒申鐃緒申鐃�

鐃緒申鐃殉ではどわ申鐃緒申鐃銃縁申鐃緒申茲�申覆鐃塾わ申鐃夙思ってわ申鐃緒申鐃塾わ申鐃緒申鐃緒申鐃緒申 MinGW64 鐃緒申箸鐃渋鰹申鐃緒申討鐃緒申泙鐃緒申鐃緒申鐃緒申鐃銃縁申鐃緒申弌鐃緒申鐃緒申鐃緒申鐃� QEMU 鐃緒申 UCRT 鐃叔￥申mingw-w64-ucrt-x86_64-qemu鐃祝は器申鐃緒申鐃縮わ申動鐃緒申鐃塾に￥申MinGW64 鐃叔￥申mingw-w64-x86_64-qemu鐃祝わ申動鐃緒申鐃淑わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縮わ申鐃緒申由鐃緒申無鐃緒申鐃渋わ申 UCRT64 鐃縦駈申鐃緒申箸鐃緒申鐃緒申隼廚鐃緒申泙鐃緒申鐃�

鐃旬細は以駕申鐃祝なわ申泙鐃緒申鐃�
続鐃緒申鐃緒申鐃宿わ申

kmckk at 14:05鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申qemu鐃緒申鐃緒申鐃緒申

2023年12鐃緒申06鐃緒申

GNU ld鐃緒申LLVM lld鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃緒申鵐�鐃緒申鵐燭琉鐃緒申鐃緒申琉磴�

鐃緒申鐃緒申鐃� Linux 鐃緒申 Apple 鐃淑どのワ申奪鐃� OS 鐃塾ワ申鐃竣ワ申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申瓠種申鐃緒申鐃緒申辰鐃� LLVM 鐃塾刻申速鐃緒申鐃� lld 鐃叔わ申鐃緒申鐃緒申LLVM 17 鐃緒申 GNU ld 鐃夙の互器申鐃緒申鐃緒申鐃循ぼ器申鐃緒申鐃祝なり、AArch64/ARM/RISC-V 鐃塾ベワ申鐃潤タ鐃緒申帖鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申任鐃� GNU ld 鐃緒申鐃瞬わ申鐃緒申鐃緒申鐃叔わ申鐃暑こ鐃夙わ申鐃緒申認鐃叔わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃述わ申 SOLID 鐃緒申鐃藷クの刻申速鐃緒申鐃緒申 Clang 鐃叔わ申 LTO 鐃淑どわ申鐃緒申圓鐃緒申鐃� lld 鐃出縁申鐃緒申覆鐃銃わ申鐃緒申里任鐃緒申鐃緒申鐃緒申鐃緒申了鐃緒申鐃� 1 鐃緒申鐃緒申鐃緒申鐃緒申鐃祝わか鐃緒申砲鐃緒申鐃緒申鐃淳器申鐃緒申鐃緒申悩鐃殉わ申鐃曙た鐃塾でワ申發件申討鐃緒申鐃緒申泙鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 20:24鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申LLVM鐃緒申鐃緒申鐃緒申

2023年10鐃緒申26鐃緒申

MSYS2鐃塾バワ申鐃緒申鐃緒申Bad address鐃緒申

鐃緒申務鐃叔ワ申鐃緒申鐃暑ス鐃緒申鐃緒申廛箸鐃書いてわ申鐃銃￥申鐃緒申鐃緒申鐃峻可駕申文鐃緒申櫃鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃縮わ申鐃緒申任鐃緒申鐃緒申鐃緒申鐃緒申鐃縦わ申鐃銃わ申鐃緒申鐃殉わ申鐃緒申

鐃淑駕申鐃緒申鐃緒申鐃緒申鐃楯わ申発鐃緒申鐃緒申鐃緒申脳鐃緒申鐃緒申鐃緒申襯刻申鐃緒申鐃竣トとなわ申泙鐃緒申鐃�

#!/bin/bash -xe

export LIBFLAGS="c:/ d:/"

/c/msys64/mingw64/bin/gcc.exe -v &> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.txt

続鐃緒申鐃緒申鐃宿わ申

kmckk at 18:40鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃緒申鐃�鐃緒申鐃緒申鐃緒申

2023年04鐃緒申28鐃緒申

Rust鐃緒申AArch64鐃緒申QEMU鐃祝ベワ申鐃潤タ鐃緒申廛鐃緒申鐃緒申鐃淳ワ申

鐃緒申鐃獣器申鐃緒申任呂覆鐃緒申里脳椶鐃緒申鐃緒申覆鐃緒申里任鐃緒申鐃緒申鐃緒申鐃緒申劼任鐃� Rust 鐃塾鰹申発鐃縦駈申鐃緒申鐃藷供わ申鐃銃わ申鐃殉わ申鐃緒申
https://www.kmckk.co.jp/pdf/20211020_solid_press.pdf

鐃緒申鐃緒申箸鐃緒申辰亡愀鐃緒申覆鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 Rust 鐃叔書かれた鐃初イ鐃瞬ワ申鐃緒申戰鐃緒申瓮随申鐃縦駈申鐃叔使わ申必鐃竣わ申鐃出てわ申鐃緒申鐃塾で￥申鐃駿わ申个鐃緒申覆鐃緒申鐃� Rust 鐃緒申鐃駿駈申鐃緒申呂鐃殉わ申鐃緒申鐃緒申

鐃殉わ申鐃熟わ申鐃塾ワ申鐃遵ー鐃夙リア鐃緒申鐃緒申辰討澆鐃緒申蝓⇒緒申朿鐃緒申砲鐃緒申鐃緒申鐃緒申鐃緒申魯泙辰討鐃緒申泙鐃緒申鐃緒申鐃緒申鐃盾少鐃淑わ申鐃銃削申鐃獣わ申鐃塾で￥申鐃緒申鐃殉わ申鐃緒申鐃獣わ申鐃緒申法鐃緒申鐃盾し鐃銃わ申鐃緒申鐃殉わ申鐃緒申鐃淑誌申鐃初心鐃峻なので￥申鐃緒申鐃塾わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申箸聾造鐃殉わ申鐃藷。￥申

AArch64 Bare-Metal program in Rust
https://lowenware.com/blog/aarch64-bare-metal-program-in-rust/
続鐃緒申鐃緒申鐃宿わ申

kmckk at 18:45鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Rust鐃緒申鐃緒申鐃緒申

2023年04鐃緒申26鐃緒申

MSYS2鐃緒申QEMU 7.1鐃緒申咼鐃緒申

鐃緒申鐃塾ブワ申鐃緒申鐃叔も何鐃駿わ申鐃緒申鐃遵げ鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃緒申QEMU 鐃緒申 Windows 鐃出ワ申鐃淑ワ申鐃�x64鐃祝のビワ申匹蓮鐃緒申鐃緒申鐃緒申呂箸討鐃緒申鐃緒申僂任鐃緒申鐃緒申鐃緒申鐃緒申鵝△箸鐃緒申鐃緒申鐃緒申膿鐃叔�申屬鐃緒申 Xilinx QEMU 鐃緒申 git HEAD鐃緒申QEMU 7.1.0 鐃駿￥申鐃緒申鐃祝わ申咼鐃宿わ申鐃緒申必鐃竣わ申鐃叔てわ申鐃緒申鐃塾わ申調鐃緒申鐃緒申鐃緒申鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申辰鐃� Xilinx QEMU 2020.3鐃緒申QEMU 5.0.50 鐃駿￥申鐃緒申鐃祝のビワ申百超鐃緒申任魯薀わ申屮鐃所が鐃重わ申鐃緒申鐃緒申咼鐃宿でわ申鐃緒申鐃緒申鐃緒申鐃獣プデ￥申鐃夙も困鐃緒申幣鐃緒申屬任鐃緒申鐃緒申鐃�

鐃叔緒申的鐃祝￥申鐃叔も王道鐃叔わ申鐃緒申 MSYS2 鐃叔ビワ申匹鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃逸申遒�申鐃叔э申任鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申了鐃緒申離鐃緒申任鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 18:52鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申qemu鐃緒申鐃緒申鐃緒申

2022年07鐃緒申28鐃緒申

Thread Local Storage鐃緒申OS鐃緒申鐃緒申蕕削申鐃緒申鐃緒申鐃緒申鐃緒申鐃祝�

鐃緒申鐃緒申鐃� OS 鐃緒申鐃緒申鐃緒申箸鐃緒申覆鐃緒申戰鐃緒申瓮随申鐃塾ツ￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃淑わ申鐃緒申鐃緒申 aarch64-unknown-elf 鐃塾よう鐃淑ワ申鐃緒申鐃緒申鐃獣ト）わ申鐃緒申属鐃緒申鐃緒申薀わ申屮鐃緒申蓮鐃緒申泪鐃緒申鐃緒申鐃緒申奪百愀鐃緒申離薀わ申屮鐃緒申鐃緒申鐃渋常申鐃緒申鐃淑どわ申鐃緒申鐃緒申 OFF 鐃祝なっわ申鐃緒申鐃瞬でわ申鐃緒申pthread 鐃淑どのワ申鐃緒申奪疋薀わ申屮鐃緒申鐃緒申鐃緒申鐃祝わ申鐃暑こ鐃夙わ申鐃緒申鐃緒申鐃叔わ申鐃殉わ申鐃藷が￥申Thread Local Storage鐃緒申TLS鐃祝わ申鐃緒申鐃淑わ申鐃� OS 鐃祝逸申存鐃緒申鐃淑わ申鐃緒申鐃叔種申鐃緒申鐃叔わ申鐃緒申鐃緒申鐃緒申 OS 鐃緒申箸鐃緒申鐃緒申鐃縮居申儿鐃緒申妊薀わ申屮鐃緒申愎鐃緒申離鐃緒申鐃獣ドワ申鐃緒申鐃春駕申鐃緒申鐃緒申能鐃淑のではなわ申鐃緒申鐃緒申鐃夙思わ申鐃縦わ申鐃緒申調鐃緒申鐃緒申鐃緒申鐃緒申鐃塾ワ申鐃叔わ申鐃緒申

続鐃緒申鐃緒申鐃宿わ申

kmckk at 19:00鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2021年06鐃緒申14鐃緒申

Rust鐃緒申鐃緒申RTOS API鐃緒申箸鐃�

鐃叔駈申Rust鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃竣ワ申鐃緒申鐃緒申潺鵐宛鐃緒申譴�随申鐃緒申鐃淑�申鐃緒申鐃緒申鐃旬わ申鐃緒申咾討鐃緒申泙鐃緒申鐃�Rust鐃緒申C++鐃塾よう鐃緒申鐃緒申鐃駿ワ申淵鐃緒申鐃術ワ申鐃暑型鐃緒申鐃緒申任鐃緒申鐃盾い鐃緒申率鐃緒申動鐃庶す鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申呂雰鐃緒申鐃緒申鐃緒申謄鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃楯証わ申鐃暑た鐃緒申了鐃緒申箸澆鐃緒申鐃緒申鐃緒申討鐃緒申蝓�申丱鐃緒申両鐃緒申覆鐃緒申鐃緒申鐃緒申匹鐃書くわ申鐃夙わ申鐃叔わ申鐃殉わ申鐃緒申鐃旬居申鐃緒申鐃叔は￥申TOPPERS鐃緒申鐃緒申鐃粛ワ申鐃緒申鐃緒申劼鐃�SOLID-OS鐃緒申鐃�Rust鐃叔書かれた鐃竣ワ申鐃緒申鐃緒申鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃粛ワ申API鐃緒申鐃緒申僂鐃緒申鐃緒申鐃祝￥申鐃述介しまわ申鐃緒申

続鐃緒申鐃緒申鐃宿わ申

鐃緒申鐃緒申鐃緒申: rust; rtos

kwdkk at 15:54鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Rust鐃緒申鐃緒申鐃緒申

2021年04鐃緒申14鐃緒申

GCC無鐃緒申鐃緒申Clang鐃緒申鐃緒申鐃緒申C鐃緒申鐃緒申僖鐃緒申鐃緒申RISCV64鐃祝わ申咼鐃宿わ申鐃銃種申動鐃駿ワ申鐃夙ル化鐃緒申遒�

GCC 鐃塾常申隋�申曠鐃緒申箸鐃� C++ 鐃緒申鐃緒申僖鐃緒申鐃塾み￥申鐃縮常申鐃� GCC鐃祝で￥申Binutils 鐃緒申 GCC 鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃宿わ申鐃初完鐃緒申鐃緒申 C/C++ 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申僖鐃緒申鐃緒申咼鐃宿わ申鐃暑こ鐃夙わ申鐃緒申能鐃叔わ申鐃緒申

鐃緒申鐃緒申泙鐃� Clang 鐃緒申 GCC 鐃祝逸申存鐃緒申鐃銃わ申鐃所、LLVM 鐃竣ワ申鐃緒申鐃緒申鐃緒申鐃夙のワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃宿のみで器申鐃緒申鐃淑ワ申鐃緒申鐃緒申鐃緒申鐃緒申僖鐃緒申鐃緒申咼鐃宿わ申鐃暑こ鐃夙はでわ申鐃淑わ申鐃淑わ申鐃塾わ申鐃潤、GCC 鐃塾ヘッワ申鐃緒申薀わ申屮鐃緒申鬚修里泙淹箸鐃緒申鐃緒申鐃緒申覆鐃緒申砲箸鐃緒申鐃叔э申鐃緒申任鐃緒申鐃緒申鐃緒申鐃緒申慮鐃緒申鐃熟￥申CMake 鐃緒申鐃緒申鐃緒申鐃淑￥申a.out 鐃緒申鐃緒申鐃緒申鐃緒申能鐃淑￥申C/C++ 鐃緒申鐃緒申僖鐃緒申鐃緒申鐃竣求す鐃緒申里如鐃�Clang 鐃塾ワ申鵐織鐃緒申鐃初イ鐃瞬ワ申鐃叔わ申鐃緒申 compiler-rt 鐃緒申 Clang 鐃緒申鐃夙でビワ申匹鐃緒申鐃緒申鐃祝￥申鐃緒申錣�申鐃淑わ申鐃獣わ申鐃緒申鐃緒申任鐃緒申鐃緒申鐃縦でわ申 GCC 鐃叔ライ鐃瞬ワ申鐃緒申咼鐃宿わ申鐃銃わ申鐃殉わ申鐃夙￥申鐃緒申鐃塾ライ鐃瞬ワ申鐃緒申 GCC 鐃塾ヘッワ申鐃祝逸申存鐃緒申鐃暑こ鐃夙になわ申里如鐃渋常申離薀わ申屮鐃緒申鐃緒申鐃緒申鐃銃縁申鐃� GCC 鐃叔ビワ申匹鐃緒申覆鐃緒申鐃出なわ申泙鐃緒申鐃�

鐃緒申鐃緒申鐃緒申鐃叔近い鐃緒申鐃緒申鐃緒申調鐃駿てわ申鐃銃￥申鐃渋はわ申鐃曙が鐃緒申能鐃叔わ申鐃暑こ鐃夙わ申鐃緒か鐃緒申泙鐃緒申鐃緒申鐃�
鐃緒申鐃緒申鐃緒申鐃緒申鐃淑駕申鐃緒申鐃緒申鐃渋わ申鐃緒申鐃緒申泙鐃緒申鐃緒申覆鐃緒申竜鐃緒申鐃緒申任鐃� RISC-V 鐃薯タ￥申鐃緒申鐃獣トとわ申鐃殉わ申鐃緒申他鐃塾ワ申鐃緒申鐃緒申鐃獣トでは以駕申鐃緒申鐃緒申鐃渋わ申無鐃緒申鐃緒申能鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃�

LLVM 鐃塾ワ申鐃� LLD 鐃緒申 RISC-V 鐃塾デフワ申鐃緒申箸任鐃緒申鐃� -mrelax 鐃緒申鐃竣ワ申鐃緒申鐃緒申Linker optimization/relaxation鐃祝のワ申鐃楯￥申鐃夙わ申鐃緒申鐃緒申鐃叔はなわ申鐃淑ど￥申鐃粛￥申鐃緒申鐃緒申鐃所が鐃緒申鐃暑た鐃潤、鐃緒申鵐�里鐃� Binutils 鐃緒申 GNU ld 鐃緒申鐃緒申僂鐃緒申泙鐃緒申鐃�
LLVM 鐃緒申 C++ 鐃緒申鵐織鐃緒申鐃緒申鐃緒申 libc++abi 鐃緒申 C++ 鐃初イ鐃瞬ワ申鐃� libc++ 鐃緒申 newlib 鐃叔はビワ申匹任鐃緒申覆鐃緒申茲�申覆里如鐃緒申鐃緒申鐃緒申 C 鐃緒申鐃緒申僖鐃緒申鐃塾みビワ申匹鐃緒申泙鐃緒申鐃緒申鐃�libc++abi 鐃塾種申鐃緒申鐃祝誌申鐃術わ申鐃緒申鐃� C++ 鐃純外鐃塾種申鐃緒申 libunwind 鐃熟ビワ申媛鐃叔緒申任鐃緒申鐃緒申鐃�C 鐃塾常申鐃緒申鐃緒申鐃竣なので削申鐃緒申漏箘�申鐃緒申泙鐃緒申鐃緒申鐃�
RISC-V 命鐃潤セ鐃獣トワ申鐃淳ワ申譟種申鐃緒申鐃� spike 鐃夙逸申鐃祝誌申鐃術わ申鐃緒申 pk 鐃緒申鐃緒申鐃粛ルが clang 鐃叔はビワ申匹任鐃緒申覆鐃緒申茲�申覆里如鐃�spike/pk 鐃熟削申鐃緒申魯咼鐃宿わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾環駈申鐃緒申 GCC 鐃緒申箸辰謄咼鐃宿わ申鐃緒申鐃緒申里鐃緒申鐃術わ申鐃殉わ申鐃緒申鐃緒申OVPsim 鐃緒申無鐃緒申鐃叔は醐申鐃緒申 V 鐃緒申張鐃薯サポ￥申鐃夙わ申鐃銃わ申鐃淑わ申鐃緒申鐃所が鐃緒申鐃緒申泙鐃緒申鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 17:35鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2021年02鐃緒申19鐃緒申

Ubuntu鐃緒申鐃�Windows鐃緒申clang鐃薯カナデワ申鐃緒申鐃藷クワ申鐃緒申鐃俊ワ申匹鐃緒申鐃�

Binutils 鐃緒申 GCC 鐃熟￥申Ubuntu 鐃緒申鐃� Windows 鐃緒申動鐃庶す鐃暑、鐃夙み刻申鐃淳醐申鐃緒申鐃緒申RISC-V 鐃淑ど）のワ申鐃緒申僖鐃緒申鐃縦￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃獣縁申縫咼鐃宿でわ申鐃殉わ申鐃淑ワ申鐃淑デワ申鐃緒申鐃藷クワ申鐃緒申鐃俊ワ申鼻法鐃�configure 鐃塾際わ申 --target=riscv64-unknown-elf --host=x86_64-w64-mingw32 --build=x86_64-pc-linux-gnu 鐃緒申鐃緒申蠅刻申鐃緒申鐃緒申鐃叔￥申鐃緒申牢鐃緒申鐃重�申縫優鐃緒申謄鐃緒申屬鐃銃縁申鐃緒申任鐃緒申鐃緒申鐃緒申了鐃緒申鐃�Ubuntu 鐃緒申鐃�x86_64-pc-linux-gnu鐃祝わ申動鐃庶す鐃暑ク鐃緒申鐃緒申鐃緒申 x86_64-w64-mingw32-gcc鐃緒申g++鐃祝でビワ申匹鐃緒申圓鐃緒申鐃夙わ申鐃緒申鐃緒申鐃夙みでわ申鐃緒申

Clang 鐃塾常申隋�CMake 鐃叔どのよう鐃緒申鐃緒申鐃所す鐃緒申鐃緒申匹鐃緒申里鐃緒申箸鐃緒申鐃�Windows 鐃出ワ申鐃淑ワ申鐃緒申鐃緒申鐃緒申鐃叔緒申鐃� clang 鐃緒申 Ubuntu 鐃緒申妨鐃緒申鐃緒申鐃緒申鐃淑わ申鐃獣わ申鐃緒申clang 鐃緒申咼鐃宿わ申鐃緒申砲蓮鐃�MinGW gcc 鐃叔はなわ申鐃緒申clang 鐃緒申必鐃竣）などわ申鐃緒申由鐃祝わ申蝓�申鐃緒申鐃殉でわ申 VisualStudio 鐃緒申箸辰鐃� Windows 鐃緒申妊咼鐃宿わ申鐃銃わ申鐃殉わ申鐃緒申鐃緒申

鐃緒申鐃藷、以駕申鐃塾居申鐃緒申鐃緒申 llvm-mingw 鐃緒申存鐃淳わ申鐃塾り、無鐃緒申鐃緒申鐃淑デワ申鐃緒申鐃藷クワ申鐃緒申鐃俊ワ申匹鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 11:55鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申

2021年02鐃緒申05鐃緒申

Visual Studio 2017鐃緒申Clang 13(git HEAD)鐃塾ビワ申匹肇謄鐃緒申箸鬚垢鐃�

鐃緒申鐃緒申粒鐃夙� PC 鐃緒申 AMD Ryzen 9 5950X鐃緒申16 鐃緒申鐃緒申 32 鐃緒申鐃緒申奪鼻鐃�RAM 32GB 鐃祝なっわ申鐃塾でわ申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃� 1 鐃緒申鐃瞬以上か鐃緒申鐃獣てわ申鐃緒申鐃俊ワ申匹鐃緒申鐃淑�申能鐃緒申鐃緒申茲�申砲覆辰鐃緒申里之鐃重�申妨鐃塾�申鐃緒申紊�申鐃殉わ申鐃緒申鐃緒申Release 鐃俊ワ申匹覆鐃緒申 16 鐃緒申鐃緒申鐃� CPU 鐃循わ申 100% 鐃夙わ申鐃准わ申鐃緒申鐃緒申足鐃緒申討鐃緒申鐃処う鐃叔わ申鐃緒申Debug 鐃俊ワ申匹鐃� 8 鐃緒申鐃藷ぐらい鐃殉わ申鐃緒申箸鐃緒申討鐃緒申鐃緒申鐃緒申足鐃叔種申鐃峻わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃藷か件申鐃緒申鐃瞬わ申鐃夙最醐申泙能鐃緒申鐃緒申里如鐃緒申妊丱奪鐃緒申鐃緒申覆鐃緒申鐃緒申鐃熟囲わ申鐃淑とわ申鐃緒申鐃緒申鐃緒申鐃叔わ申鐃緒申LLVM 鐃塾鰹申発鐃薯すわ申覆鐃出￥申鐃叔わ申鐃緒申鐃� RAM 鐃緒申 64GB 鐃淳わ申鐃緒申鐃緒申任鐃緒申諭鐃�

鐃緒申鐃緒申鐃祝ビワ申百超鐃緒申鐃緒申辰鐃緒申里如鐃緒申鐃緒申了鐃緒申離鐃緒申任鐃緒申鐃�

続鐃緒申鐃緒申鐃宿わ申

kmckk at 12:40鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申Clang鐃緒申鐃緒申鐃緒申