Implementation notes: amd64, oki, crypto_sign/sphincs256

Computer: oki
Architecture: amd64
CPU ID: GenuineIntel-00050654-bfebfbff
SUPERCOP version: 20181123
Operation: crypto_sign
Primitive: sphincs256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
47651728	? ? ?	? ? ?	`avx2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20190114	20181123
47985842	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20190114	20181123
48049350	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20190114	20181123
48274772	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20190114	20181123
48369562	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20190114	20181123
48373832	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20190114	20181123
48665340	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20190114	20181123
48693206	? ? ?	? ? ?	`avx2`	`gcc_-m64_-O3_-fomit-frame-pointer`	20190114	20181123
48715030	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20190114	20181123
48757346	? ? ?	? ? ?	`avx2`	`gcc_-O3_-fomit-frame-pointer`	20190114	20181123
49019060	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20190114	20181123
49061408	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20190114	20181123
49100100	? ? ?	? ? ?	`avx2`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20190114	20181123
49146152	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20190114	20181123
49384594	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20190114	20181123
49399138	? ? ?	? ? ?	`avx2`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20190114	20181123
49604366	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20190114	20181123
50399740	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20190114	20181123
50406758	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20190114	20181123
50765526	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20190114	20181123
50927422	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20190114	20181123
50985090	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20190114	20181123
51075310	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20190114	20181123
51087020	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20190114	20181123
51092742	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20190114	20181123
51154104	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20190114	20181123
51167584	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20190114	20181123
51196292	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20190114	20181123
51394952	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20190114	20181123
51594438	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20190114	20181123
51721178	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20190114	20181123
51770608	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20190114	20181123
51979968	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20190114	20181123
52030148	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20190114	20181123
52058536	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20190114	20181123
52090512	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20190114	20181123
52243802	? ? ?	? ? ?	`avx2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20190114	20181123
52243948	? ? ?	? ? ?	`avx2`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20190114	20181123
52335966	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20190114	20181123
52488750	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20190114	20181123
52507406	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20190114	20181123
52521036	? ? ?	? ? ?	`avx2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20190114	20181123
52560446	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20190114	20181123
52679708	? ? ?	? ? ?	`avx2`	`gcc_-m64_-Os_-fomit-frame-pointer`	20190114	20181123
52696018	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20190114	20181123
52755202	? ? ?	? ? ?	`avx2`	`gcc_-m64_-O_-fomit-frame-pointer`	20190114	20181123
52804250	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20190114	20181123
52821512	? ? ?	? ? ?	`avx2`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20190114	20181123
52826886	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20190114	20181123
52853030	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20190114	20181123
52902094	? ? ?	? ? ?	`avx2`	`gcc_-Os_-fomit-frame-pointer`	20190114	20181123
52908982	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20190114	20181123
52923410	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20190114	20181123
52934806	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20190114	20181123
52938626	? ? ?	? ? ?	`avx2`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20190114	20181123
52941346	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20190114	20181123
52943862	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20190114	20181123
52959834	? ? ?	? ? ?	`avx2`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20190114	20181123
52991704	? ? ?	? ? ?	`avx2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20190114	20181123
53015194	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20190114	20181123
53020946	? ? ?	? ? ?	`avx2`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20190114	20181123
53032004	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20190114	20181123
53074568	? ? ?	? ? ?	`avx2`	`gcc_-O_-fomit-frame-pointer`	20190114	20181123
53076690	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20190114	20181123
53091010	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20190114	20181123
53102458	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20190114	20181123
53154416	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20190114	20181123
53165760	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20190114	20181123
53205638	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20190114	20181123
53217376	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20190114	20181123
53226132	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20190114	20181123
53240142	? ? ?	? ? ?	`avx2`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20190114	20181123
53276130	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20190114	20181123
53295094	? ? ?	? ? ?	`avx2`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20190114	20181123
53305570	? ? ?	? ? ?	`avx2`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20190114	20181123
53305788	? ? ?	? ? ?	`avx2`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20190114	20181123
53310670	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20190114	20181123
53361304	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20190114	20181123
53373048	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20190114	20181123
53429204	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20190114	20181123
53439462	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20190114	20181123
53474766	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20190114	20181123
53512830	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20190114	20181123
53541056	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20190114	20181123
53557670	? ? ?	? ? ?	`avx2`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20190114	20181123
53588460	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20190114	20181123
53601214	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20190114	20181123
53678802	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20190114	20181123
53709106	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20190114	20181123
54861162	? ? ?	? ? ?	`avx2`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20190114	20181123
54968674	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20190114	20181123
55033666	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20190114	20181123
55060754	? ? ?	? ? ?	`avx2`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20190114	20181123
55090916	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20190114	20181123
55134026	? ? ?	? ? ?	`avx2`	`gcc_-O2_-fomit-frame-pointer`	20190114	20181123
55164214	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20190114	20181123
55201768	? ? ?	? ? ?	`avx2`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20190114	20181123
55211816	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20190114	20181123
55313012	? ? ?	? ? ?	`avx2`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20190114	20181123
55323518	? ? ?	? ? ?	`avx2`	`gcc_-m64_-O2_-fomit-frame-pointer`	20190114	20181123
55465964	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20190114	20181123
55467200	? ? ?	? ? ?	`avx2`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20190114	20181123
55481534	? ? ?	? ? ?	`avx2`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20190114	20181123
55541904	? ? ?	? ? ?	`avx2`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20190114	20181123
55646126	? ? ?	? ? ?	`avx2`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20190114	20181123
55710492	? ? ?	? ? ?	`avx2`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20190114	20181123
56035212	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20190114	20181123
56090230	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20190114	20181123
56108024	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20190114	20181123
56240258	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20190114	20181123
56250798	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20190114	20181123
56369710	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20190114	20181123
60269514	? ? ?	? ? ?	`avx2`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20190114	20181123
60274064	? ? ?	? ? ?	`avx2`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20190114	20181123
60699112	? ? ?	? ? ?	`avx2`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20190114	20181123
60821866	? ? ?	? ? ?	`avx2`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20190114	20181123
115959272	? ? ?	? ? ?	`avx2`	`gcc`	20190114	20181123
116056034	? ? ?	? ? ?	`avx2`	`gcc_-funroll-loops`	20190114	20181123
120264392	? ? ?	? ? ?	`avx2`	`cc`	20190114	20181123

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments

try.c: fatal error: error in backend: Cannot select: 0x1991f10: v4i64 = X86ISD::VTRUNC 0x1991d40
try.c: 0x1991d40: v16i32 = vselect 0x19611f0, 0x19140e0, 0x1991c10
try.c: 0x19611f0: v4i1 = X86ISD::PCMPGTM 0x197b800, 0x1914e90
try.c: 0x197b800: v4i64 = X86ISD::VBROADCAST 0x1915220
try.c: 0x1915220: i64,ch = load<LD8[%uglygep72]> 0x1875dd0, 0x191b7b0, undef:i64
try.c: 0x191b7b0: i64 = add 0x197c6e0, 0x18f5ef0
try.c: 0x197c6e0: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0x192f060: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0x18f5ef0: i64 = shl 0x192e810, Constant:i8<3>
try.c: 0x192e810: i64,ch = CopyFromReg 0x1875dd0, Register:i64 %vreg50
try.c: 0x197cba0: i64 = Register %vreg50
try.c: 0x1920080: i8 = Constant<3>
try.c: 0x1979e70: i64 = undef
try.c: 0x1914e90: v4i64,ch = CopyFromReg 0x1875dd0, Register:v4i64 %vreg13
try.c: 0x193abc0: v4i64 = Register %vreg13
try.c: 0x19140e0: v16i32 = X86ISD::VBROADCAST 0x192ea70
try.c: 0x192ea70: i32,ch = load<LD4[ConstantPool]> 0x1875dd0, 0x1991880, undef:i64
try.c: 0x1991880: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0x1911390: i64 = TargetConstantPool<i32 1> 0
try.c: 0x1979e70: i64 = undef
try.c: 0x1991c10: v16i32 = BUILD_VECTOR Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>
try.c: 0x1991ae0: i32 = Constant<0>
try.c: 0x1991ae0: i32 = Constant<0>
try.c: 0x1991ae0: i32 = Constant<0>
try.c: 0x1991ae0: i32 = Constant<0>
try.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

try.c: fatal error: error in backend: Cannot select: 0x20e7180: v4i64 = X86ISD::VTRUNC 0x20e6fb0
try.c: 0x20e6fb0: v16i32 = vselect 0x20e0aa0, 0x206b0e0, 0x20e6e80
try.c: 0x20e0aa0: v4i1 = X86ISD::PCMPGTM 0x20d0ac0, 0x206be90
try.c: 0x20d0ac0: v4i64 = X86ISD::VBROADCAST 0x206c220
try.c: 0x206c220: i64,ch = load<LD8[%uglygep72]> 0x1fcbdd0, 0x2095470, undef:i64
try.c: 0x2095470: i64 = add 0x20d19a0, 0x2095c30
try.c: 0x20d19a0: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0x20c0790: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0x2095c30: i64 = shl 0x20bff40, Constant:i8<3>
try.c: 0x20bff40: i64,ch = CopyFromReg 0x1fcbdd0, Register:i64 %vreg50
try.c: 0x20d1e60: i64 = Register %vreg50
try.c: 0x2066330: i8 = Constant<3>
try.c: 0x20cf130: i64 = undef
try.c: 0x206be90: v4i64,ch = CopyFromReg 0x1fcbdd0, Register:v4i64 %vreg13
try.c: 0x207cbb0: v4i64 = Register %vreg13
try.c: 0x206b0e0: v16i32 = X86ISD::VBROADCAST 0x20c01a0
try.c: 0x20c01a0: i32,ch = load<LD4[ConstantPool]> 0x1fcbdd0, 0x20e6af0, undef:i64
try.c: 0x20e6af0: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0x2078c70: i64 = TargetConstantPool<i32 1> 0
try.c: 0x20cf130: i64 = undef
try.c: 0x20e6e80: v16i32 = BUILD_VECTOR Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>
try.c: 0x20e6d50: i32 = Constant<0>
try.c: 0x20e6d50: i32 = Constant<0>
try.c: 0x20e6d50: i32 = Constant<0>
try.c: 0x20e6d50: i32 = Constant<0>
try.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	avx2