bn/asm/rsax-x86_64.pl: constant-time gather procedure.

Performance penalty is 2% on Linux and 5% on Windows.

CVE-2016-0702

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from master)

diff --git a/crypto/bn/asm/rsaz-x86_64.pl b/crypto/bn/asm/rsaz-x86_64.pl
index 091cdc2069da4bb45beb9114e6b87ea0037c94a9..52c8a9833ecdf6a5658478f2be718719a43868fa 100755 (executable)
--- a/crypto/bn/asm/rsaz-x86_64.pl
+++ b/crypto/bn/asm/rsaz-x86_64.pl
@@ -915,9 +915,76 @@ rsaz_512_mul_gather4:
        push    %r14
        push    %r15
 
-       mov     $pwr, $pwr
-       subq    \$128+24, %rsp
+       subq    \$`128+24+($win64?0xb0:0)`, %rsp
+___
+$code.=<<___   if ($win64);
+       movaps  %xmm6,0xa0(%rsp)
+       movaps  %xmm7,0xb0(%rsp)
+       movaps  %xmm8,0xc0(%rsp)
+       movaps  %xmm9,0xd0(%rsp)
+       movaps  %xmm10,0xe0(%rsp)
+       movaps  %xmm11,0xf0(%rsp)
+       movaps  %xmm12,0x100(%rsp)
+       movaps  %xmm13,0x110(%rsp)
+       movaps  %xmm14,0x120(%rsp)
+       movaps  %xmm15,0x130(%rsp)
+___
+$code.=<<___;
 .Lmul_gather4_body:
+       movd    $pwr,%xmm8
+       movdqa  .Linc+16(%rip),%xmm1    # 00000002000000020000000200000002
+       movdqa  .Linc(%rip),%xmm0       # 00000001000000010000000000000000
+
+       pshufd  \$0,%xmm8,%xmm8         # broadcast $power
+       movdqa  %xmm1,%xmm7
+       movdqa  %xmm1,%xmm2
+___
+########################################################################
+# calculate mask by comparing 0..15 to $power
+#
+for($i=0;$i<4;$i++) {
+$code.=<<___;
+       paddd   %xmm`$i`,%xmm`$i+1`
+       pcmpeqd %xmm8,%xmm`$i`
+       movdqa  %xmm7,%xmm`$i+3`
+___
+}
+for(;$i<7;$i++) {
+$code.=<<___;
+       paddd   %xmm`$i`,%xmm`$i+1`
+       pcmpeqd %xmm8,%xmm`$i`
+___
+}
+$code.=<<___;
+       pcmpeqd %xmm8,%xmm7
+
+       movdqa  16*0($bp),%xmm8
+       movdqa  16*1($bp),%xmm9
+       movdqa  16*2($bp),%xmm10
+       movdqa  16*3($bp),%xmm11
+       pand    %xmm0,%xmm8
+       movdqa  16*4($bp),%xmm12
+       pand    %xmm1,%xmm9
+       movdqa  16*5($bp),%xmm13
+       pand    %xmm2,%xmm10
+       movdqa  16*6($bp),%xmm14
+       pand    %xmm3,%xmm11
+       movdqa  16*7($bp),%xmm15
+       leaq    128($bp), %rbp
+       pand    %xmm4,%xmm12
+       pand    %xmm5,%xmm13
+       pand    %xmm6,%xmm14
+       pand    %xmm7,%xmm15
+       por     %xmm10,%xmm8
+       por     %xmm11,%xmm9
+       por     %xmm12,%xmm8
+       por     %xmm13,%xmm9
+       por     %xmm14,%xmm8
+       por     %xmm15,%xmm9
+
+       por     %xmm9,%xmm8
+       pshufd  \$0x4e,%xmm8,%xmm9
+       por     %xmm9,%xmm8
 ___
 $code.=<<___ if ($addx);
        movl    \$0x80100,%r11d
@@ -926,45 +993,38 @@ $code.=<<___ if ($addx);
        je      .Lmulx_gather
 ___
 $code.=<<___;
-       movl    64($bp,$pwr,4), %eax
-       movq    $out, %xmm0             # off-load arguments
-       movl    ($bp,$pwr,4), %ebx
-       movq    $mod, %xmm1
-       movq    $n0, 128(%rsp)
+       movq    %xmm8,%rbx
+
+       movq    $n0, 128(%rsp)          # off-load arguments
+       movq    $out, 128+8(%rsp)
+       movq    $mod, 128+16(%rsp)
 
-       shlq    \$32, %rax
-       or      %rax, %rbx
        movq    ($ap), %rax
         movq   8($ap), %rcx
-        leaq   128($bp,$pwr,4), %rbp
        mulq    %rbx                    # 0 iteration
        movq    %rax, (%rsp)
        movq    %rcx, %rax
        movq    %rdx, %r8
 
        mulq    %rbx
-        movd   (%rbp), %xmm4
        addq    %rax, %r8
        movq    16($ap), %rax
        movq    %rdx, %r9
        adcq    \$0, %r9
 
        mulq    %rbx
-        movd   64(%rbp), %xmm5
        addq    %rax, %r9
        movq    24($ap), %rax
        movq    %rdx, %r10
        adcq    \$0, %r10
 
        mulq    %rbx
-        pslldq \$4, %xmm5
        addq    %rax, %r10
        movq    32($ap), %rax
        movq    %rdx, %r11
        adcq    \$0, %r11
 
        mulq    %rbx
-        por    %xmm5, %xmm4
        addq    %rax, %r11
        movq    40($ap), %rax
        movq    %rdx, %r12
@@ -977,14 +1037,12 @@ $code.=<<___;
        adcq    \$0, %r13
 
        mulq    %rbx
-        leaq   128(%rbp), %rbp
        addq    %rax, %r13
        movq    56($ap), %rax
        movq    %rdx, %r14
        adcq    \$0, %r14
        
        mulq    %rbx
-        movq   %xmm4, %rbx
        addq    %rax, %r14
         movq   ($ap), %rax
        movq    %rdx, %r15
@@ -996,6 +1054,35 @@ $code.=<<___;
 
 .align 32
 .Loop_mul_gather:
+       movdqa  16*0(%rbp),%xmm8
+       movdqa  16*1(%rbp),%xmm9
+       movdqa  16*2(%rbp),%xmm10
+       movdqa  16*3(%rbp),%xmm11
+       pand    %xmm0,%xmm8
+       movdqa  16*4(%rbp),%xmm12
+       pand    %xmm1,%xmm9
+       movdqa  16*5(%rbp),%xmm13
+       pand    %xmm2,%xmm10
+       movdqa  16*6(%rbp),%xmm14
+       pand    %xmm3,%xmm11
+       movdqa  16*7(%rbp),%xmm15
+       leaq    128(%rbp), %rbp
+       pand    %xmm4,%xmm12
+       pand    %xmm5,%xmm13
+       pand    %xmm6,%xmm14
+       pand    %xmm7,%xmm15
+       por     %xmm10,%xmm8
+       por     %xmm11,%xmm9
+       por     %xmm12,%xmm8
+       por     %xmm13,%xmm9
+       por     %xmm14,%xmm8
+       por     %xmm15,%xmm9
+
+       por     %xmm9,%xmm8
+       pshufd  \$0x4e,%xmm8,%xmm9
+       por     %xmm9,%xmm8
+       movq    %xmm8,%rbx
+
        mulq    %rbx
        addq    %rax, %r8
        movq    8($ap), %rax
@@ -1004,7 +1091,6 @@ $code.=<<___;
        adcq    \$0, %r8
 
        mulq    %rbx
-        movd   (%rbp), %xmm4
        addq    %rax, %r9
        movq    16($ap), %rax
        adcq    \$0, %rdx
@@ -1013,7 +1099,6 @@ $code.=<<___;
        adcq    \$0, %r9
 
        mulq    %rbx
-        movd   64(%rbp), %xmm5
        addq    %rax, %r10
        movq    24($ap), %rax
        adcq    \$0, %rdx
@@ -1022,7 +1107,6 @@ $code.=<<___;
        adcq    \$0, %r10
 
        mulq    %rbx
-        pslldq \$4, %xmm5
        addq    %rax, %r11
        movq    32($ap), %rax
        adcq    \$0, %rdx
@@ -1031,7 +1115,6 @@ $code.=<<___;
        adcq    \$0, %r11
 
        mulq    %rbx
-        por    %xmm5, %xmm4
        addq    %rax, %r12
        movq    40($ap), %rax
        adcq    \$0, %rdx
@@ -1056,7 +1139,6 @@ $code.=<<___;
        adcq    \$0, %r14
 
        mulq    %rbx
-        movq   %xmm4, %rbx
        addq    %rax, %r15
         movq   ($ap), %rax
        adcq    \$0, %rdx
@@ -1064,7 +1146,6 @@ $code.=<<___;
        movq    %rdx, %r15      
        adcq    \$0, %r15
 
-       leaq    128(%rbp), %rbp
        leaq    8(%rdi), %rdi
 
        decl    %ecx
@@ -1079,8 +1160,8 @@ $code.=<<___;
        movq    %r14, 48(%rdi)
        movq    %r15, 56(%rdi)
 
-       movq    %xmm0, $out
-       movq    %xmm1, %rbp
+       movq    128+8(%rsp), $out
+       movq    128+16(%rsp), %rbp
 
        movq    (%rsp), %r8
        movq    8(%rsp), %r9
@@ -1098,45 +1179,37 @@ $code.=<<___ if ($addx);
 
 .align 32
 .Lmulx_gather:
-       mov     64($bp,$pwr,4), %eax
-       movq    $out, %xmm0             # off-load arguments
-       lea     128($bp,$pwr,4), %rbp
-       mov     ($bp,$pwr,4), %edx
-       movq    $mod, %xmm1
-       mov     $n0, 128(%rsp)
+       movq    %xmm8,%rdx
+
+       mov     $n0, 128(%rsp)          # off-load arguments
+       mov     $out, 128+8(%rsp)
+       mov     $mod, 128+16(%rsp)
 
-       shl     \$32, %rax
-       or      %rax, %rdx
        mulx    ($ap), %rbx, %r8        # 0 iteration
        mov     %rbx, (%rsp)
        xor     %edi, %edi              # cf=0, of=0
 
        mulx    8($ap), %rax, %r9
-        movd   (%rbp), %xmm4
 
        mulx    16($ap), %rbx, %r10
-        movd   64(%rbp), %xmm5
        adcx    %rax, %r8
 
        mulx    24($ap), %rax, %r11
-        pslldq \$4, %xmm5
        adcx    %rbx, %r9
 
        mulx    32($ap), %rbx, %r12
-        por    %xmm5, %xmm4
        adcx    %rax, %r10
 
        mulx    40($ap), %rax, %r13
        adcx    %rbx, %r11
 
        mulx    48($ap), %rbx, %r14
-        lea    128(%rbp), %rbp
        adcx    %rax, %r12
        
        mulx    56($ap), %rax, %r15
-        movq   %xmm4, %rdx
        adcx    %rbx, %r13
        adcx    %rax, %r14
+       .byte   0x67
        mov     %r8, %rbx
        adcx    %rdi, %r15              # %rdi is 0
 
@@ -1145,24 +1218,48 @@ $code.=<<___ if ($addx);
 
 .align 32
 .Loop_mulx_gather:
-       mulx    ($ap), %rax, %r8
+       movdqa  16*0(%rbp),%xmm8
+       movdqa  16*1(%rbp),%xmm9
+       movdqa  16*2(%rbp),%xmm10
+       movdqa  16*3(%rbp),%xmm11
+       pand    %xmm0,%xmm8
+       movdqa  16*4(%rbp),%xmm12
+       pand    %xmm1,%xmm9
+       movdqa  16*5(%rbp),%xmm13
+       pand    %xmm2,%xmm10
+       movdqa  16*6(%rbp),%xmm14
+       pand    %xmm3,%xmm11
+       movdqa  16*7(%rbp),%xmm15
+       leaq    128(%rbp), %rbp
+       pand    %xmm4,%xmm12
+       pand    %xmm5,%xmm13
+       pand    %xmm6,%xmm14
+       pand    %xmm7,%xmm15
+       por     %xmm10,%xmm8
+       por     %xmm11,%xmm9
+       por     %xmm12,%xmm8
+       por     %xmm13,%xmm9
+       por     %xmm14,%xmm8
+       por     %xmm15,%xmm9
+
+       por     %xmm9,%xmm8
+       pshufd  \$0x4e,%xmm8,%xmm9
+       por     %xmm9,%xmm8
+       movq    %xmm8,%rdx
+
+       .byte   0xc4,0x62,0xfb,0xf6,0x86,0x00,0x00,0x00,0x00    # mulx  ($ap), %rax, %r8
        adcx    %rax, %rbx
        adox    %r9, %r8
 
        mulx    8($ap), %rax, %r9
-       .byte   0x66,0x0f,0x6e,0xa5,0x00,0x00,0x00,0x00         # movd  (%rbp), %xmm4
        adcx    %rax, %r8
        adox    %r10, %r9
 
        mulx    16($ap), %rax, %r10
-        movd   64(%rbp), %xmm5
-        lea    128(%rbp), %rbp
        adcx    %rax, %r9
        adox    %r11, %r10
 
        .byte   0xc4,0x62,0xfb,0xf6,0x9e,0x18,0x00,0x00,0x00    # mulx  24($ap), %rax, %r11
-        pslldq \$4, %xmm5
-        por    %xmm5, %xmm4
        adcx    %rax, %r10
        adox    %r12, %r11
 
@@ -1176,10 +1273,10 @@ $code.=<<___ if ($addx);
 
        .byte   0xc4,0x62,0xfb,0xf6,0xb6,0x30,0x00,0x00,0x00    # mulx  48($ap), %rax, %r14
        adcx    %rax, %r13
+       .byte   0x67
        adox    %r15, %r14
 
        mulx    56($ap), %rax, %r15
-        movq   %xmm4, %rdx
         mov    %rbx, 64(%rsp,%rcx,8)
        adcx    %rax, %r14
        adox    %rdi, %r15
@@ -1198,10 +1295,10 @@ $code.=<<___ if ($addx);
        mov     %r14, 64+48(%rsp)
        mov     %r15, 64+56(%rsp)
 
-       movq    %xmm0, $out
-       movq    %xmm1, %rbp
+       mov     128(%rsp), %rdx         # pull arguments
+       mov     128+8(%rsp), $out
+       mov     128+16(%rsp), %rbp
 
-       mov     128(%rsp), %rdx         # pull $n0
        mov     (%rsp), %r8
        mov     8(%rsp), %r9
        mov     16(%rsp), %r10
@@ -1229,6 +1326,21 @@ $code.=<<___;
        call    __rsaz_512_subtract
 
        leaq    128+24+48(%rsp), %rax
+___
+$code.=<<___   if ($win64);
+       movaps  0xa0-0xc8(%rax),%xmm6
+       movaps  0xb0-0xc8(%rax),%xmm7
+       movaps  0xc0-0xc8(%rax),%xmm8
+       movaps  0xd0-0xc8(%rax),%xmm9
+       movaps  0xe0-0xc8(%rax),%xmm10
+       movaps  0xf0-0xc8(%rax),%xmm11
+       movaps  0x100-0xc8(%rax),%xmm12
+       movaps  0x110-0xc8(%rax),%xmm13
+       movaps  0x120-0xc8(%rax),%xmm14
+       movaps  0x130-0xc8(%rax),%xmm15
+       lea     0xb0(%rax),%rax
+___
+$code.=<<___;
        movq    -48(%rax), %r15
        movq    -40(%rax), %r14
        movq    -32(%rax), %r13
@@ -1258,7 +1370,7 @@ rsaz_512_mul_scatter4:
        mov     $pwr, $pwr
        subq    \$128+24, %rsp
 .Lmul_scatter4_body:
-       leaq    ($tbl,$pwr,4), $tbl
+       leaq    ($tbl,$pwr,8), $tbl
        movq    $out, %xmm0             # off-load arguments
        movq    $mod, %xmm1
        movq    $tbl, %xmm2
@@ -1329,30 +1441,14 @@ $code.=<<___;
 
        call    __rsaz_512_subtract
 
-       movl    %r8d, 64*0($inp)        # scatter
-       shrq    \$32, %r8
-       movl    %r9d, 64*2($inp)
-       shrq    \$32, %r9
-       movl    %r10d, 64*4($inp)
-       shrq    \$32, %r10
-       movl    %r11d, 64*6($inp)
-       shrq    \$32, %r11
-       movl    %r12d, 64*8($inp)
-       shrq    \$32, %r12
-       movl    %r13d, 64*10($inp)
-       shrq    \$32, %r13
-       movl    %r14d, 64*12($inp)
-       shrq    \$32, %r14
-       movl    %r15d, 64*14($inp)
-       shrq    \$32, %r15
-       movl    %r8d, 64*1($inp)
-       movl    %r9d, 64*3($inp)
-       movl    %r10d, 64*5($inp)
-       movl    %r11d, 64*7($inp)
-       movl    %r12d, 64*9($inp)
-       movl    %r13d, 64*11($inp)
-       movl    %r14d, 64*13($inp)
-       movl    %r15d, 64*15($inp)
+       movq    %r8, 128*0($inp)        # scatter
+       movq    %r9, 128*1($inp)
+       movq    %r10, 128*2($inp)
+       movq    %r11, 128*3($inp)
+       movq    %r12, 128*4($inp)
+       movq    %r13, 128*5($inp)
+       movq    %r14, 128*6($inp)
+       movq    %r15, 128*7($inp)
 
        leaq    128+24+48(%rsp), %rax
        movq    -48(%rax), %r15
@@ -1956,16 +2052,14 @@ $code.=<<___;
 .type  rsaz_512_scatter4,\@abi-omnipotent
 .align 16
 rsaz_512_scatter4:
-       leaq    ($out,$power,4), $out
+       leaq    ($out,$power,8), $out
        movl    \$8, %r9d
        jmp     .Loop_scatter
 .align 16
 .Loop_scatter:
        movq    ($inp), %rax
        leaq    8($inp), $inp
-       movl    %eax, ($out)
-       shrq    \$32, %rax
-       movl    %eax, 64($out)
+       movq    %rax, ($out)
        leaq    128($out), $out
        decl    %r9d
        jnz     .Loop_scatter
@@ -1976,22 +2070,106 @@ rsaz_512_scatter4:
 .type  rsaz_512_gather4,\@abi-omnipotent
 .align 16
 rsaz_512_gather4:
-       leaq    ($inp,$power,4), $inp
+___
+$code.=<<___   if ($win64);
+.LSEH_begin_rsaz_512_gather4:
+       .byte   0x48,0x81,0xec,0xa8,0x00,0x00,0x00      # sub    $0xa8,%rsp
+       .byte   0x0f,0x29,0x34,0x24                     # movaps %xmm6,(%rsp)
+       .byte   0x0f,0x29,0x7c,0x24,0x10                # movaps %xmm7,0x10(%rsp)
+       .byte   0x44,0x0f,0x29,0x44,0x24,0x20           # movaps %xmm8,0x20(%rsp)
+       .byte   0x44,0x0f,0x29,0x4c,0x24,0x30           # movaps %xmm9,0x30(%rsp)
+       .byte   0x44,0x0f,0x29,0x54,0x24,0x40           # movaps %xmm10,0x40(%rsp)
+       .byte   0x44,0x0f,0x29,0x5c,0x24,0x50           # movaps %xmm11,0x50(%rsp)
+       .byte   0x44,0x0f,0x29,0x64,0x24,0x60           # movaps %xmm12,0x60(%rsp)
+       .byte   0x44,0x0f,0x29,0x6c,0x24,0x70           # movaps %xmm13,0x70(%rsp)
+       .byte   0x44,0x0f,0x29,0xb4,0x24,0x80,0,0,0     # movaps %xmm14,0x80(%rsp)
+       .byte   0x44,0x0f,0x29,0xbc,0x24,0x90,0,0,0     # movaps %xmm15,0x90(%rsp)
+___
+$code.=<<___;
+       movd    $power,%xmm8
+       movdqa  .Linc+16(%rip),%xmm1    # 00000002000000020000000200000002
+       movdqa  .Linc(%rip),%xmm0       # 00000001000000010000000000000000
+
+       pshufd  \$0,%xmm8,%xmm8         # broadcast $power
+       movdqa  %xmm1,%xmm7
+       movdqa  %xmm1,%xmm2
+___
+########################################################################
+# calculate mask by comparing 0..15 to $power
+#
+for($i=0;$i<4;$i++) {
+$code.=<<___;
+       paddd   %xmm`$i`,%xmm`$i+1`
+       pcmpeqd %xmm8,%xmm`$i`
+       movdqa  %xmm7,%xmm`$i+3`
+___
+}
+for(;$i<7;$i++) {
+$code.=<<___;
+       paddd   %xmm`$i`,%xmm`$i+1`
+       pcmpeqd %xmm8,%xmm`$i`
+___
+}
+$code.=<<___;
+       pcmpeqd %xmm8,%xmm7
        movl    \$8, %r9d
        jmp     .Loop_gather
 .align 16
 .Loop_gather:
-       movl    ($inp), %eax
-       movl    64($inp), %r8d
+       movdqa  16*0($inp),%xmm8
+       movdqa  16*1($inp),%xmm9
+       movdqa  16*2($inp),%xmm10
+       movdqa  16*3($inp),%xmm11
+       pand    %xmm0,%xmm8
+       movdqa  16*4($inp),%xmm12
+       pand    %xmm1,%xmm9
+       movdqa  16*5($inp),%xmm13
+       pand    %xmm2,%xmm10
+       movdqa  16*6($inp),%xmm14
+       pand    %xmm3,%xmm11
+       movdqa  16*7($inp),%xmm15
        leaq    128($inp), $inp
-       shlq    \$32, %r8
-       or      %r8, %rax
-       movq    %rax, ($out)
+       pand    %xmm4,%xmm12
+       pand    %xmm5,%xmm13
+       pand    %xmm6,%xmm14
+       pand    %xmm7,%xmm15
+       por     %xmm10,%xmm8
+       por     %xmm11,%xmm9
+       por     %xmm12,%xmm8
+       por     %xmm13,%xmm9
+       por     %xmm14,%xmm8
+       por     %xmm15,%xmm9
+
+       por     %xmm9,%xmm8
+       pshufd  \$0x4e,%xmm8,%xmm9
+       por     %xmm9,%xmm8
+       movq    %xmm8,($out)
        leaq    8($out), $out
        decl    %r9d
        jnz     .Loop_gather
+___
+$code.=<<___   if ($win64);
+       movaps  0x00(%rsp),%xmm6
+       movaps  0x10(%rsp),%xmm7
+       movaps  0x20(%rsp),%xmm8
+       movaps  0x30(%rsp),%xmm9
+       movaps  0x40(%rsp),%xmm10
+       movaps  0x50(%rsp),%xmm11
+       movaps  0x60(%rsp),%xmm12
+       movaps  0x70(%rsp),%xmm13
+       movaps  0x80(%rsp),%xmm14
+       movaps  0x90(%rsp),%xmm15
+       add     \$0xa8,%rsp
+___
+$code.=<<___;
        ret
+.LSEH_end_rsaz_512_gather4:
 .size  rsaz_512_gather4,.-rsaz_512_gather4
+
+.align 64
+.Linc:
+       .long   0,0, 1,1
+       .long   2,2, 2,2
 ___
 }
 
@@ -2039,6 +2217,18 @@ se_handler:
 
        lea     128+24+48(%rax),%rax
 
+       lea     .Lmul_gather4_epilogue(%rip),%rbx
+       cmp     %r10,%rbx
+       jne     .Lse_not_in_mul_gather4
+
+       lea     0xb0(%rax),%rax
+
+       lea     -48-0xa8(%rax),%rsi
+       lea     512($context),%rdi
+       mov     \$20,%ecx
+       .long   0xa548f3fc              # cld; rep movsq
+
+.Lse_not_in_mul_gather4:
        mov     -8(%rax),%rbx
        mov     -16(%rax),%rbp
        mov     -24(%rax),%r12
@@ -2090,7 +2280,7 @@ se_handler:
        pop     %rdi
        pop     %rsi
        ret
-.size  sqr_handler,.-sqr_handler
+.size  se_handler,.-se_handler
 
 .section       .pdata
 .align 4
@@ -2114,6 +2304,10 @@ se_handler:
        .rva    .LSEH_end_rsaz_512_mul_by_one
        .rva    .LSEH_info_rsaz_512_mul_by_one
 
+       .rva    .LSEH_begin_rsaz_512_gather4
+       .rva    .LSEH_end_rsaz_512_gather4
+       .rva    .LSEH_info_rsaz_512_gather4
+
 .section       .xdata
 .align 8
 .LSEH_info_rsaz_512_sqr:
@@ -2136,6 +2330,19 @@ se_handler:
        .byte   9,0,0,0
        .rva    se_handler
        .rva    .Lmul_by_one_body,.Lmul_by_one_epilogue         # HandlerData[]
+.LSEH_info_rsaz_512_gather4:
+       .byte   0x01,0x46,0x16,0x00
+       .byte   0x46,0xf8,0x09,0x00     #vmovaps 0x90(rsp),xmm15
+       .byte   0x3d,0xe8,0x08,0x00     #vmovaps 0x80(rsp),xmm14
+       .byte   0x34,0xd8,0x07,0x00     #vmovaps 0x70(rsp),xmm13
+       .byte   0x2e,0xc8,0x06,0x00     #vmovaps 0x60(rsp),xmm12
+       .byte   0x28,0xb8,0x05,0x00     #vmovaps 0x50(rsp),xmm11
+       .byte   0x22,0xa8,0x04,0x00     #vmovaps 0x40(rsp),xmm10
+       .byte   0x1c,0x98,0x03,0x00     #vmovaps 0x30(rsp),xmm9
+       .byte   0x16,0x88,0x02,0x00     #vmovaps 0x20(rsp),xmm8
+       .byte   0x10,0x78,0x01,0x00     #vmovaps 0x10(rsp),xmm7
+       .byte   0x0b,0x68,0x00,0x00     #vmovaps 0x00(rsp),xmm6
+       .byte   0x07,0x01,0x15,0x00     #sub     rsp,0xa8
 ___
 }