https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57952
--- Comment #3 from mmokrejs at gmail dot com ---
Weird, why g++ can do the task although probably less efficiently than icc?
$ g++ -O3 -march=core-avx-i -mtune=core-avx-i -mavx2 stream.c ; objdump -d
a.out | grep ymm
stream.c:106:48: warning: deprecated conversion from string constant to 'char*'
[-Wwrite-strings]
"Add: ", "Triad: ", "Dot: "};
^
stream.c:106:48: warning: deprecated conversion from string constant to 'char*'
[-Wwrite-strings]
stream.c:106:48: warning: deprecated conversion from string constant to 'char*'
[-Wwrite-strings]
stream.c:106:48: warning: deprecated conversion from string constant to 'char*'
[-Wwrite-strings]
stream.c:106:48: warning: deprecated conversion from string constant to 'char*'
[-Wwrite-strings]
4006ac: c5 fd 28 0d 2c 11 00 vmovapd 0x112c(%rip),%ymm1 #
4017e0 <_ZL5label+0xa0>
4006b4: c5 fd 28 05 44 11 00 vmovapd 0x1144(%rip),%ymm0 #
401800 <_ZL5label+0xc0>
4006c0: c5 fd 29 88 80 61 ab vmovapd %ymm1,0x4cab6180(%rax)
4006cc: c5 fd 29 80 60 c1 85 vmovapd %ymm0,0x2685c160(%rax)
400738: c5 fd 28 01 vmovapd (%rcx),%ymm0
400740: c5 fd 58 c0 vaddpd %ymm0,%ymm0,%ymm0
400744: c5 fd 29 41 e0 vmovapd %ymm0,-0x20(%rcx)
400803: c5 fd 28 15 15 10 00 vmovapd 0x1015(%rip),%ymm2 #
401820 <_ZL5label+0xe0>
400817: c5 fd 29 95 d0 fd ff vmovapd %ymm2,-0x230(%rbp)
4008d0: c5 fd 28 95 d0 fd ff vmovapd -0x230(%rbp),%ymm2
400908: c5 fd 29 10 vmovapd %ymm2,(%rax)
40091c: c5 fd 29 95 d0 fd ff vmovapd %ymm2,-0x230(%rbp)
40098c: c5 fd 28 95 d0 fd ff vmovapd -0x230(%rbp),%ymm2
4009b8: c5 fd 28 80 80 61 ab vmovapd 0x4cab6180(%rax),%ymm0
4009c4: c5 fd 58 80 60 c1 85 vaddpd 0x2685c160(%rax),%ymm0,%ymm0
4009cc: c5 fd 29 80 60 21 60 vmovapd %ymm0,0x602160(%rax)
4009e3: c5 fd 29 95 d0 fd ff vmovapd %ymm2,-0x230(%rbp)
400a56: c5 fd 28 95 d0 fd ff vmovapd -0x230(%rbp),%ymm2
400a80: c5 ed 59 80 80 c1 85 vmulpd 0x2685c180(%rax),%ymm2,%ymm0
400a88: c5 fd 58 80 80 61 ab vaddpd 0x4cab6180(%rax),%ymm0,%ymm0
400a94: c5 fd 29 80 60 21 60 vmovapd %ymm0,0x602160(%rax)
400aab: c5 fd 29 95 d0 fd ff vmovapd %ymm2,-0x230(%rbp)
400b1e: c5 fd 28 95 d0 fd ff vmovapd -0x230(%rbp),%ymm2
400b77: c5 fd 29 95 d0 fd ff vmovapd %ymm2,-0x230(%rbp)
400bab: c5 fd 28 95 d0 fd ff vmovapd -0x230(%rbp),%ymm2
401006: c4 e3 6d 18 95 28 ff vinsertf128
$0x1,-0xd8(%rbp),%ymm2,%ymm2
401018: c4 e3 7d 18 85 48 ff vinsertf128
$0x1,-0xb8(%rbp),%ymm0,%ymm0
401022: c5 ed 5c 95 10 ff ff vsubpd -0xf0(%rbp),%ymm2,%ymm2
40102a: c5 fd 5c 85 30 ff ff vsubpd -0xd0(%rbp),%ymm0,%ymm0
401032: c5 fd 28 25 66 07 00 vmovapd 0x766(%rip),%ymm4 #
4017a0 <_ZL5label+0x60>
401044: c5 ed 59 d4 vmulpd %ymm4,%ymm2,%ymm2
401048: c5 fd 59 c4 vmulpd %ymm4,%ymm0,%ymm0
40104c: c5 fd e6 d2 vcvttpd2dq %ymm2,%xmm2
401058: c5 fd e6 c0 vcvttpd2dq %ymm0,%xmm0
40105c: c4 e3 6d 38 d0 01 vinserti128 $0x1,%xmm0,%ymm2,%ymm2
401062: c4 e2 6d 3d d3 vpmaxsd %ymm3,%ymm2,%ymm2
401067: c4 e2 6d 39 15 50 07 vpminsd 0x750(%rip),%ymm2,%ymm2
# 4017c0 <_ZL5label+0x80>
401096: c4 e3 75 18 8d 68 ff vinsertf128
$0x1,-0x98(%rbp),%ymm1,%ymm1
4010a4: c5 f5 5c 8d 50 ff ff vsubpd -0xb0(%rbp),%ymm1,%ymm1
4010b7: c5 f5 59 cc vmulpd %ymm4,%ymm1,%ymm1
4010bb: c5 fd e6 c9 vcvttpd2dq %ymm1,%xmm1
4010d3: c4 e3 7d 18 45 88 01 vinsertf128
$0x1,-0x78(%rbp),%ymm0,%ymm0
4010da: c5 fd 5c 85 70 ff ff vsubpd -0x90(%rbp),%ymm0,%ymm0
4010e2: c5 fd 59 c4 vmulpd %ymm4,%ymm0,%ymm0
4010e6: c5 fd e6 c0 vcvttpd2dq %ymm0,%xmm0
4010ea: c4 e3 75 38 c0 01 vinserti128 $0x1,%xmm0,%ymm1,%ymm0
4010f5: c4 e2 7d 3d c3 vpmaxsd %ymm3,%ymm0,%ymm0
4010fa: c4 e2 6d 39 c0 vpminsd %ymm0,%ymm2,%ymm0
4010ff: c4 e3 7d 46 c8 01 vperm2i128 $0x1,%ymm0,%ymm0,%ymm1
401105: c4 e2 7d 39 c1 vpminsd %ymm1,%ymm0,%ymm0
40110f: c5 f5 73 d8 08 vpsrldq $0x8,%ymm0,%ymm1
401114: c4 e2 7d 39 c9 vpminsd %ymm1,%ymm0,%ymm1
401119: c5 fd 73 d9 04 vpsrldq $0x4,%ymm1,%ymm0
40111e: c4 e2 75 39 c0 vpminsd %ymm0,%ymm1,%ymm0
4011e0: c4 e2 7d 19 c0 vbroadcastsd %xmm0,%ymm0
4011f0: c5 fd 29 00 vmovapd %ymm0,(%rax)
401218: c5 fd 28 80 80 61 ab vmovapd 0x4cab6180(%rax),%ymm0
401224: c5 fd 58 80 60 c1 85 vaddpd 0x2685c160(%rax),%ymm0,%ymm0
40122c: c5 fd 29 80 60 21 60 vmovapd %ymm0,0x602160(%rax)
401240: c4 e2 7d 19 c0 vbroadcastsd %xmm0,%ymm0
401250: c5 fd 59 88 80 c1 85 vmulpd 0x2685c180(%rax),%ymm0,%ymm1
401258: c5 f5 58 88 80 61 ab vaddpd 0x4cab6180(%rax),%ymm1,%ymm1
401264: c5 fd 29 88 60 21 60 vmovapd %ymm1,0x602160(%rax)
$
