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�鐃緒申鐃緒申鐃緒申鐃緒申鐃熟わ申 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�鐃緒申鐃緒申圓辰討鐃緒申泙鐃緒申鐃�
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�鐃緒申鐃殉わ申泙鐃緒申鐃緒申鐃緒申發緒申發鰹申鐃緒申佑呂匹鐃緒申鐃緒申鐃緒申茲随申里任鐃緒申腓�鐃緒申鐃緒申調鐃駿てみまわ申鐃緒申鐃緒申
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�鐃緒申鐃緒申鐃緒申鐃緒申鐃熟わ申 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�鐃緒申鐃緒申圓辰討鐃緒申泙鐃緒申鐃�
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�鐃緒申鐃殉わ申泙鐃緒申鐃緒申鐃緒申發緒申發鰹申鐃緒申佑呂匹鐃緒申鐃緒申鐃緒申茲随申里任鐃緒申腓�鐃緒申鐃緒申調鐃駿てみまわ申鐃緒申鐃緒申
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縦ワ申鐃緒申鐃淑わ申 32 bit 鐃粛は￥申C99 鐃緒申導鐃緒申鐃緒申鐃曙た鐃緒申鐃緒申僖鐃緒申鐃緒申箸濆鐃緒申澆侶鐃� _Complex 鐃緒申鐃緒申発鐃緒申鐃緒申鐃銃わ申鐃緒申茲�鐃叔わ申鐃緒申Clang 鐃緒申 RV64I 鐃緒申鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申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離鐃緒申鐃緒申鐃緒申奪函鐃�FD 鐃緒申張無鐃緒申鐃祝では￥申float _Complex 鐃緒申 crealf() 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃曙ジ鐃緒申鐃緒申鐃塾駕申鐃緒申 32 bit 鐃祝￥申cimagf() 鐃緒申鐃緒申鐃緒申 32 bit 鐃祝誌申鐃縦よう鐃叔わ申鐃緒申鐃縦まわ申
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申函鐃緒申鐃緒申鐃塾醐申鐃楯わ申
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�鐃緒申覆里任鐃緒申腓�鐃緒申鐃緒申鐃緒申僖鐃緒申鐃塾バワ申鐃叔わ申無鐃緒申鐃緒申鐃緒申鐃淑ので￥申鐃緒申鐃緒申鐃叔緒申鐃緒申辰討鐃緒申匹鐃緒申里任鐃緒申鐃緒申鐃緒申發�鐃緒申鐃緒申鐃旬わ申鐃緒申鐃緒申鐃銃みまわ申鐃緒申
鐃緒申認鐃塾わ申鐃潤、鐃淑駕申鐃塾よう鐃淑テワ申鐃夙ワ申鐃緒申鐃宿わ申鐃術意わ申鐃殉わ申鐃緒申鐃緒申鐃春ワ申鐃緒申鐃緒申鐃淑�鐃緒申鐃淑わ申鐃夙ワ申鐃緒申僖鐃緒申鐃緒申鐃祝計誌申鐃緒申鐃緒申討鐃緒申泙鐃緒申鐃緒申妊丱奪鐃緒申燃鐃叔э申鐃緒申襪鰹申箸鐃緒申任鐃緒申覆鐃緒申覆襪随申鐃淑�鐃緒申鐃銃わ申鐃殉わ申鐃緒申鐃殉わ申鐃緒申鐃緒申単鐃塾わ申鐃潤、鐃緒申鐃緒申僖鐃緒申鐃緒申鵐織鐃緒申鐃舜随申 __ltsf2 鐃熟￥申__ltsf2(-2, 0) 鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申慮鐃緒申鐃銃わ申鐃殉わ申鐃藷。つまわ申鐃緒申罎居申鐃緒申曚覆鐃出随申鐃緒申鐃縮ｏ申鐃緒申鐃� -1 鐃緒申鐃瞬わ申鐃銃わ申鐃殉わ申鐃緒申
鐃殉わ申鐃緒申main() 鐃緒申頭鐃緒申鐃緒申 test_complex() 鐃銃び出わ申鐃殉ででわ申鐃緒申
鐃緒申鐃夙わ申鐃緒申鐃緒申竜鐃緒申鐃緒申鐃銃縁申鐃緒申任鐃緒申鐃�
鐃緒申鐃緒申鐃緒申同鐃粛にわ申鐃塾ワ申鐃緒申鐃宿￥申鐃緒申鐃緒申鐃� 31 bit 鐃旬わ申鐃緒申咾鐃緒申董鐃�0xc0000000 鐃緒申 0x00000000 鐃緒申鐃緒申罎�鐃循なる、鐃夙わ申鐃緒申鐃緒申未砲覆鐃熟わ申鐃緒申鐃緒申63 bit 鐃旬わ申鐃緒申咾鐃緒申討鐃緒申鐃塾わ申鐃緒申鐃緒申同鐃緒申鐃夙わ申鐃緒申鐃緒申鐃獣わ申鐃緒申未砲覆辰討鐃緒申泙鐃緒申鐃�
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�鐃緒申鐃殉わ申泙鐃緒申鐃緒申鐃緒申匹鐃緒申鐃曙ジ鐃緒申鐃緒申鐃熟わ申鐃緒申鐃緒申討鐃緒申鐃緒申佑鐃緒申鐃駿ワ申鐃緒申鐃獣ワ申鐃祝書き刻申鐃緒申鐃緒申鐃緒申鐃春わ申鐃緒申鐃術器申鐃緒申鐃銃逸申鐃獣てわ申鐃暑か鐃緒申鐃緒申鐃緒申廚覆茲�鐃叔わ申鐃緒申
float _Complex x = -0.0f + -2.0f * I;鐃緒申鐃緒申鐃緒申表鐃緒申鐃緒申 0xc000000080000000 鐃緒申 64 bit 鐃粛の件申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃曙ジ鐃緒申鐃緒申鐃緒申鐃楯誌申鐃緒申鐃緒申泙鐃緒申鐃�
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申函鐃緒申鐃緒申鐃塾醐申鐃楯わ申
- 鐃緒申動鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申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鐃�FPU 無鐃緒申鐃緒申
- 単鐃緒申鐃駿わ申複鐃叔随申鐃緒申 float _Complex 鐃緒申鐃緒申鐃�
- 鐃緒申鐃緒申鐃緒申鐃殉わ申鐃熟居申鐃緒申鐃緒申鐃緒申鐃緒申
- float _Complex 鐃緒申 crealf() 鐃殉わ申鐃緒申 cimagf() 鐃緒申 float 鐃夙わ申鐃銃種申鐃出わ申鐃銃演算鐃緒申圓鐃�
- 鐃緒申適鐃緒申有鐃緒申
float y = ...; ... if (y < 0.0f)鐃緒申 if 文鐃緒申鐃緒申 __ltsf2(y, 0.0f) 鐃舜随申鐃銃び出わ申鐃緒申鐃緒申鐃緒申僖鐃緒申鐃祝わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申
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�鐃緒申覆里任鐃緒申腓�鐃緒申鐃緒申鐃緒申僖鐃緒申鐃塾バワ申鐃叔わ申無鐃緒申鐃緒申鐃緒申鐃淑ので￥申鐃緒申鐃緒申鐃叔緒申鐃緒申辰討鐃緒申匹鐃緒申里任鐃緒申鐃緒申鐃緒申發�鐃緒申鐃緒申鐃旬わ申鐃緒申鐃緒申鐃銃みまわ申鐃緒申
鐃緒申認鐃塾わ申鐃潤、鐃淑駕申鐃塾よう鐃淑テワ申鐃夙ワ申鐃緒申鐃宿わ申鐃術意わ申鐃殉わ申鐃緒申鐃緒申鐃春ワ申鐃緒申鐃緒申鐃淑�鐃緒申鐃淑わ申鐃夙ワ申鐃緒申僖鐃緒申鐃緒申鐃祝計誌申鐃緒申鐃緒申討鐃緒申泙鐃緒申鐃緒申妊丱奪鐃緒申燃鐃叔э申鐃緒申襪鰹申箸鐃緒申任鐃緒申覆鐃緒申覆襪随申鐃淑�鐃緒申鐃銃わ申鐃殉わ申鐃緒申鐃殉わ申鐃緒申鐃緒申単鐃塾わ申鐃潤、鐃緒申鐃緒申僖鐃緒申鐃緒申鵐織鐃緒申鐃舜随申 __ltsf2 鐃熟￥申__ltsf2(-2, 0) 鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申慮鐃緒申鐃銃わ申鐃殉わ申鐃藷。つまわ申鐃緒申罎居申鐃緒申曚覆鐃出随申鐃緒申鐃縮ｏ申鐃緒申鐃� -1 鐃緒申鐃瞬わ申鐃銃わ申鐃殉わ申鐃緒申
$ cat lt.c
#include <stdint.h>
int __ltsf2(uint32_t a, uint32_t b) {
int aSign = a >> 31;
int bSign = b >> 31;
if (aSign != bSign) return -1;
return 1;
}
$ cat test_complex.c
#include <complex.h>
#include <stdio.h>
void test_complex(float _Complex z) {
float y = cimagf(z);
fprintf(stderr, "%f < 0 -> ", y);
if (y < 0.0f) {
fprintf(stderr, "true\n");
} else {
fprintf(stderr, "false\n");
}
}
複鐃叔随申鐃緒申表鐃緒申鐃緒申錣�鐃緒申笋刻申鐃緒申鐃緒申襪随申鐃緒申 -0.0f 鐃緒申鐃緒申凌鐃緒申砲鐃緒申討鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申亮鐃緒申鐃緒申郎鐃緒申鐃熟使わ申鐃殉わ申鐃緒申
$ cat test_complex_main.c
#include <complex.h>
void test_complex(float _Complex z);
int main() {
float _Complex x = -0.0f + -2.0f * I;
test_complex(x);
return 0;
}
鐃緒申鐃緒申鐃緒申鐃緒申劼鐃� exeClang RISCV鐃淑鰹申発鐃叔）でワ申鐃緒申僖鐃緒申襪件申鐃� QEMU 鐃叔実行わ申鐃緒申函鐃緒申鐃重�鐃緒申無鐃緒申鐃塾常申鐃熟以駕申鐃塾よう鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃熟異なわ申坊鐃縮になわ申泙鐃緒申鐃�
$ clang -v clang version 18.1.7 鐃淑常申略鐃緒申 $ clang $CLANG_CFLAGS -g test_complex_main.c test_complex.c lt.c $PTHREAD_STUBS $QEMU_LDFLAGS $CLANG_LDFLAGS $ /c/msys64/ucrt64/bin/qemu-system-riscv64.exe -M virt -m 2G -nographic -semihosting -bios none -kernel a.out -2.000000 < 0 -> true鐃緒申鐃緒申鐃緒申鐃緒申適鐃緒申鐃薯かわ申鐃緒申噺鐃緒申辰鐃緒申鐃縮になわ申泙鐃緒申鐃�
$ clang $CLANG_CFLAGS -g -O2 test_complex_main.c test_complex.c lt.c $PTHREAD_STUBS $QEMU_LDFLAGS $CLANG_LDFLAGS $ /c/msys64/ucrt64/bin/qemu-system-riscv64.exe -M virt -m 2G -nographic -semihosting -bios none -kernel a.out -2.000000 < 0 -> false鐃渋際に駕申鐃緒申鐃緒申鐃緒申鐃銃わ申鐃緒申里鐃緒申妊丱奪鐃緒申埜鐃緒申討澆泙鐃緒申腓�鐃緒申
鐃殉わ申鐃緒申main() 鐃緒申頭鐃緒申鐃緒申 test_complex() 鐃銃び出わ申鐃殉ででわ申鐃緒申
main
test_complex_main.c:5:int main() {
鐃淑常申略鐃緒申
0000000080000398 80000537 lui a0, 0x80000
鐃緒申鐃緒申鐃緒申 a0 鐃祝わ申 0xffffffff80000000 鐃緒申鐃緒申鐃緒申泙鐃緒申鐃�
000000008000039C 0015051B addiw a0, a0, 1 00000000800003A0 01F51513 slli a0, a0, 0x1f鐃緒申鐃緒申鐃緒申 1 鐃緒申足鐃緒申鐃緒申 31 bit 鐃緒申鐃緒申鐃緒申鐃緒申鐃春ト￥申Shift Left Logical Immediate; slli鐃祝わ申鐃暑こ鐃夙わ申 a0 鐃緒申複鐃叔随申 -0.0f鐃緒申0x80000000鐃緒申 + -2.0f鐃緒申0xc0000000鐃緒申i 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 0xc000000080000000 鐃緒申鐃循わ申鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃瞬トワ申奪鐃緒申鐃緒申淵鐃緒申鐃緒申匹鐃緒申隼廚鐃緒申泙鐃緒申鐃緒申茲�鐃緒申鐃緒申淵鐃緒申鐃緒申表个鐃緒申鐃緒申鐃緒申鐃夙器申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申
test_complex_main.c:8: test_complex(x); 00000000800003A4 014000EF jal 0x14鐃緒申鐃緒申鐃緒申 test_complex(a0 = 0xc000000080000000) 鐃緒申討喀个鐃緒申泙鐃緒申鐃�
test_complex
test_complex.c:4:void test_complex(float _Complex z) {
鐃淑常申略鐃緒申
00000000800003C8 02055413 srli s0, a0, 0x20
鐃緒申鐃緒申鐃緒申 32 bit 鐃緒申鐃緒申鐃緒申鐃緒申鐃春ト￥申Shift Right Logical Immediate; srli鐃祝わ申鐃暑こ鐃夙にわ申鐃� float y = cimagf(z); 鐃緒申圓辰撞鐃緒申鐃緒申鐃緒申鐃緒申鐃出わ申鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃塾誌申鐃緒申鐃叔わ申 s0 鐃緒申鐃粛わ申 0x00000000c0000000 鐃叔￥申鐃緒申鐃曙が鐃緒申鐃緒申鐃緒申佑任鐃緒申鐃�
鐃淑常申略鐃緒申
test_complex.c:8: if (y < 0.0f) {
00000000800003F4 00040513 mv a0, s0
00000000800003F8 00000593 mv a1, zero
00000000800003FC 04C000EF jal 0x4c
鐃緒申鐃緒申鐃緒申 a0 鐃緒申 a1 鐃緒申 -2鐃緒申0xc0000000鐃祝わ申 0 鐃緒申鐃熟わ申鐃緒申 __ltsf2(a0 = 0x00000000c0000000, a1 = 0x0000000000000000) 鐃銃び出わ申鐃緒申鐃緒申鐃夙わ申鐃緒申鐃緒申竜鐃緒申鐃緒申鐃銃縁申鐃緒申任鐃緒申鐃�
__ltsf2 lt.c:7: if (aSign != bSign) return -1; 0000000080000448 00A5C533 xor a0, a1, a0 lt.c:9:} 000000008000044C 43F55513 srai a0, a0, 0x3f 0000000080000450 00156513 ori a0, a0, 1 0000000080000454 00008067 ret鐃緒申鐃緒申鐃宿わ申鐃獣縁申砲鐃緒申鐃緒申里鐃� bltz 鐃祝わ申鐃夙緒申鐃叔はなわ申鐃淑ってわ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃春トわ申鐃緒申鐃緒申咫弔覆匹郎鐃重�鐃緒申鐃叔消わ申鐃銃￥申XOR 鐃緒申発鐃緒申鐃緒申鐃緒申鐃緒申咾鐃緒申討鐃緒申鐃緒申鐃緒申鐃銃縁申鐃緒申任鐃緒申鐃�XOR鐃緒申鐃緒申罎�鐃循なってわ申鐃緒申鐃緒申 1鐃祝わ申鐃緒申 63 bit 鐃緒申鐃術縁申鐃緒申鐃春ト￥申Shift Right Arithmetic Immediate; srai鐃祝わ申鐃緒申 1 鐃緒申 OR 鐃緒申鐃獣てわ申鐃殉わ申鐃緒申鐃縦まわ申鐃緒申罎�鐃循なってわ申鐃緒申鐃緒申 0xffffffffffffffff 鐃緒申 1 鐃緒申 OR 鐃淑のでわ申鐃塾まわ申 0xffffffffffffffff = -1 鐃緒申鐃瞬り、鐃緒申鐃竣わ申鐃銃わ申鐃緒申鐃緒申 0x0000000000000000 鐃緒申 1 鐃緒申 OR 鐃緒申 0x0000000000000001 鐃緒申鐃瞬わ申泙鐃緒申鐃緒申覆鐃緒申鐃緒申鐃舜わ申鐃緒申鐃緒申鐃緒申砲鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申匹鐃緒申个討鐃緒申泙鐃緒申鐃緒申鐃�
鐃緒申鐃緒申鐃緒申同鐃粛にわ申鐃塾ワ申鐃緒申鐃宿￥申鐃緒申鐃緒申鐃� 31 bit 鐃旬わ申鐃緒申咾鐃緒申董鐃�0xc0000000 鐃緒申 0x00000000 鐃緒申鐃緒申罎�鐃循なる、鐃夙わ申鐃緒申鐃緒申未砲覆鐃熟わ申鐃緒申鐃緒申63 bit 鐃旬わ申鐃緒申咾鐃緒申討鐃緒申鐃塾わ申鐃緒申鐃緒申同鐃緒申鐃夙わ申鐃緒申鐃緒申鐃獣わ申鐃緒申未砲覆辰討鐃緒申泙鐃緒申鐃�
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�鐃緒申鐃殉わ申泙鐃緒申鐃緒申鐃緒申匹鐃緒申鐃曙ジ鐃緒申鐃緒申鐃熟わ申鐃緒申鐃緒申討鐃緒申鐃緒申佑鐃緒申鐃駿ワ申鐃緒申鐃獣ワ申鐃祝書き刻申鐃緒申鐃緒申鐃緒申鐃春わ申鐃緒申鐃術器申鐃緒申鐃銃逸申鐃獣てわ申鐃暑か鐃緒申鐃緒申鐃緒申廚覆茲�鐃叔わ申鐃緒申
// llvm-18.1.8/compiler-rt/lib/builtins/fp_lib.h
#if defined SINGLE_PRECISION
typedef uint16_t half_rep_t;
typedef uint32_t rep_t;
typedef uint64_t twice_rep_t;
typedef int32_t srep_t;
typedef float fp_t;
鐃淑常申略鐃緒申
static __inline rep_t toRep(fp_t x) {
const union {
fp_t f;
rep_t i;
} rep = {.f = x};
return rep.i;
}
// llvm-18.1.8/compiler-rt/lib/builtins/fp_compare_impl.inc
static inline CMP_RESULT __leXf2__(fp_t a, fp_t b) {
const srep_t aInt = toRep(a);
鐃淑常申略鐃緒申
// llvm-18.1.8/compiler-rt/lib/builtins/comparesf2.c
COMPILER_RT_ABI CMP_RESULT __lesf2(fp_t a, fp_t b) { return __leXf2__(a, b); }
鐃淑常申略鐃緒申
COMPILER_RT_ALIAS(__lesf2, __ltsf2)
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�
