]>
Commit | Line | Data |
---|---|---|
14e21f86 AP |
1 | #!/usr/bin/env perl |
2 | ||
4d1f3f7a DSH |
3 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
4 | push(@INC, "${dir}perlasm", "perlasm"); | |
14e21f86 AP |
5 | require "x86asm.pl"; |
6 | ||
7 | &asm_init($ARGV[0],"x86cpuid"); | |
8 | ||
c5022659 AP |
9 | for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); } |
10 | ||
14e21f86 AP |
11 | &function_begin("OPENSSL_ia32_cpuid"); |
12 | &xor ("edx","edx"); | |
13 | &pushf (); | |
14 | &pop ("eax"); | |
15 | &mov ("ecx","eax"); | |
16 | &xor ("eax",1<<21); | |
17 | &push ("eax"); | |
18 | &popf (); | |
19 | &pushf (); | |
20 | &pop ("eax"); | |
21 | &xor ("ecx","eax"); | |
162f677d | 22 | &xor ("eax","eax"); |
0f2ece87 AP |
23 | &bt ("ecx",21); |
24 | &jnc (&label("nocpuid")); | |
c5cd28bd AP |
25 | &mov ("esi",&wparam(0)); |
26 | &mov (&DWP(8,"esi"),"eax"); # clear 3rd word | |
162f677d | 27 | &cpuid (); |
761393bb AP |
28 | &mov ("edi","eax"); # max value for standard query level |
29 | ||
162f677d AP |
30 | &xor ("eax","eax"); |
31 | &cmp ("ebx",0x756e6547); # "Genu" | |
32 | &setne (&LB("eax")); | |
33 | &mov ("ebp","eax"); | |
34 | &cmp ("edx",0x49656e69); # "ineI" | |
35 | &setne (&LB("eax")); | |
36 | &or ("ebp","eax"); | |
37 | &cmp ("ecx",0x6c65746e); # "ntel" | |
38 | &setne (&LB("eax")); | |
58672313 | 39 | &or ("ebp","eax"); # 0 indicates Intel CPU |
58672313 AP |
40 | &jz (&label("intel")); |
41 | ||
42 | &cmp ("ebx",0x68747541); # "Auth" | |
43 | &setne (&LB("eax")); | |
44 | &mov ("esi","eax"); | |
45 | &cmp ("edx",0x69746E65); # "enti" | |
46 | &setne (&LB("eax")); | |
47 | &or ("esi","eax"); | |
48 | &cmp ("ecx",0x444D4163); # "cAMD" | |
49 | &setne (&LB("eax")); | |
50 | &or ("esi","eax"); # 0 indicates AMD CPU | |
51 | &jnz (&label("intel")); | |
52 | ||
761393bb | 53 | # AMD specific |
58672313 AP |
54 | &mov ("eax",0x80000000); |
55 | &cpuid (); | |
b9064221 AP |
56 | &cmp ("eax",0x80000001); |
57 | &jb (&label("intel")); | |
58 | &mov ("esi","eax"); | |
59 | &mov ("eax",0x80000001); | |
60 | &cpuid (); | |
61 | &or ("ebp","ecx"); | |
62 | &and ("ebp",1<<11|1); # isolate XOP bit | |
63 | &cmp ("esi",0x80000008); | |
58672313 AP |
64 | &jb (&label("intel")); |
65 | ||
66 | &mov ("eax",0x80000008); | |
67 | &cpuid (); | |
68 | &movz ("esi",&LB("ecx")); # number of cores - 1 | |
69 | &inc ("esi"); # number of cores | |
70 | ||
761393bb | 71 | &mov ("eax",1); |
5702e965 | 72 | &xor ("ecx","ecx"); |
761393bb AP |
73 | &cpuid (); |
74 | &bt ("edx",28); | |
b9064221 | 75 | &jnc (&label("generic")); |
761393bb AP |
76 | &shr ("ebx",16); |
77 | &and ("ebx",0xff); | |
78 | &cmp ("ebx","esi"); | |
b9064221 | 79 | &ja (&label("generic")); |
761393bb | 80 | &and ("edx",0xefffffff); # clear hyper-threading bit |
b9064221 | 81 | &jmp (&label("generic")); |
761393bb | 82 | |
58672313 | 83 | &set_label("intel"); |
1bc0b68d AP |
84 | &cmp ("edi",7); |
85 | &jb (&label("cacheinfo")); | |
86 | ||
87 | &mov ("esi",&wparam(0)); | |
88 | &mov ("eax",7); | |
89 | &xor ("ecx","ecx"); | |
90 | &cpuid (); | |
91 | &mov (&DWP(8,"esi"),"ebx"); | |
92 | ||
93 | &set_label("cacheinfo"); | |
761393bb AP |
94 | &cmp ("edi",4); |
95 | &mov ("edi",-1); | |
96 | &jb (&label("nocacheinfo")); | |
97 | ||
98 | &mov ("eax",4); | |
99 | &mov ("ecx",0); # query L1D | |
100 | &cpuid (); | |
101 | &mov ("edi","eax"); | |
102 | &shr ("edi",14); | |
103 | &and ("edi",0xfff); # number of cores -1 per L1D | |
104 | ||
105 | &set_label("nocacheinfo"); | |
14e21f86 | 106 | &mov ("eax",1); |
5702e965 | 107 | &xor ("ecx","ecx"); |
14e21f86 | 108 | &cpuid (); |
18f5603c | 109 | &and ("edx",0xbfefffff); # force reserved bits #20, #30 to 0 |
162f677d | 110 | &cmp ("ebp",0); |
4bb90087 AP |
111 | &jne (&label("notintel")); |
112 | &or ("edx",1<<30); # set reserved bit#30 on Intel CPUs | |
3df2eff4 AP |
113 | &and (&HB("eax"),15); # familiy ID |
114 | &cmp (&HB("eax"),15); # P4? | |
4bb90087 AP |
115 | &jne (&label("notintel")); |
116 | &or ("edx",1<<20); # set reserved bit#20 to engage RC4_CHAR | |
117 | &set_label("notintel"); | |
3df2eff4 | 118 | &bt ("edx",28); # test hyper-threading bit |
b9064221 | 119 | &jnc (&label("generic")); |
761393bb AP |
120 | &and ("edx",0xefffffff); |
121 | &cmp ("edi",0); | |
b9064221 | 122 | &je (&label("generic")); |
761393bb AP |
123 | |
124 | &or ("edx",0x10000000); | |
162f677d | 125 | &shr ("ebx",16); |
761393bb | 126 | &cmp (&LB("ebx"),1); |
b9064221 | 127 | &ja (&label("generic")); |
b1e8b4e6 | 128 | &and ("edx",0xefffffff); # clear hyper-threading bit if not |
b9064221 AP |
129 | |
130 | &set_label("generic"); | |
131 | &and ("ebp",1<<11); # isolate AMD XOP flag | |
18f5603c | 132 | &and ("ecx",0xfffff7ff); # force 11th bit to 0 |
b9064221 AP |
133 | &mov ("esi","edx"); |
134 | &or ("ebp","ecx"); # merge AMD XOP flag | |
135 | ||
b9064221 | 136 | &bt ("ecx",27); # check OSXSAVE bit |
e879dd43 | 137 | &jnc (&label("clear_avx")); |
b9064221 AP |
138 | &xor ("ecx","ecx"); |
139 | &data_byte(0x0f,0x01,0xd0); # xgetbv | |
140 | &and ("eax",6); | |
141 | &cmp ("eax",6); | |
142 | &je (&label("done")); | |
143 | &cmp ("eax",2); | |
144 | &je (&label("clear_avx")); | |
145 | &set_label("clear_xmm"); | |
18f5603c AP |
146 | &and ("ebp",0xfdfffffd); # clear AESNI and PCLMULQDQ bits |
147 | &and ("esi",0xfeffffff); # clear FXSR | |
b9064221 | 148 | &set_label("clear_avx"); |
18f5603c | 149 | &and ("ebp",0xefffe7ff); # clear AVX, FMA and AMD XOP bits |
c5cd28bd AP |
150 | &mov ("edi",&wparam(0)); |
151 | &and (&DWP(8,"edi"),0xffffffdf); # clear AVX2 | |
3df2eff4 | 152 | &set_label("done"); |
b9064221 AP |
153 | &mov ("eax","esi"); |
154 | &mov ("edx","ebp"); | |
0f2ece87 | 155 | &set_label("nocpuid"); |
14e21f86 AP |
156 | &function_end("OPENSSL_ia32_cpuid"); |
157 | ||
2b247cf8 | 158 | &external_label("OPENSSL_ia32cap_P"); |
14e21f86 | 159 | |
2b247cf8 | 160 | &function_begin_B("OPENSSL_rdtsc","EXTRN\t_OPENSSL_ia32cap_P:DWORD"); |
14e21f86 AP |
161 | &xor ("eax","eax"); |
162 | &xor ("edx","edx"); | |
2b247cf8 | 163 | &picmeup("ecx","OPENSSL_ia32cap_P"); |
14e21f86 AP |
164 | &bt (&DWP(0,"ecx"),4); |
165 | &jnc (&label("notsc")); | |
166 | &rdtsc (); | |
167 | &set_label("notsc"); | |
168 | &ret (); | |
169 | &function_end_B("OPENSSL_rdtsc"); | |
170 | ||
f642ebc1 | 171 | # This works in Ring 0 only [read DJGPP+MS-DOS+privileged DPMI host], |
c85c5c40 AP |
172 | # but it's safe to call it on any [supported] 32-bit platform... |
173 | # Just check for [non-]zero return value... | |
174 | &function_begin_B("OPENSSL_instrument_halt","EXTRN\t_OPENSSL_ia32cap_P:DWORD"); | |
175 | &picmeup("ecx","OPENSSL_ia32cap_P"); | |
176 | &bt (&DWP(0,"ecx"),4); | |
177 | &jnc (&label("nohalt")); # no TSC | |
178 | ||
179 | &data_word(0x9058900e); # push %cs; pop %eax | |
180 | &and ("eax",3); | |
181 | &jnz (&label("nohalt")); # not enough privileges | |
182 | ||
183 | &pushf (); | |
f9c5e5d9 | 184 | &pop ("eax"); |
c85c5c40 AP |
185 | &bt ("eax",9); |
186 | &jnc (&label("nohalt")); # interrupts are disabled | |
187 | ||
188 | &rdtsc (); | |
189 | &push ("edx"); | |
190 | &push ("eax"); | |
191 | &halt (); | |
192 | &rdtsc (); | |
193 | ||
194 | &sub ("eax",&DWP(0,"esp")); | |
195 | &sbb ("edx",&DWP(4,"esp")); | |
196 | &add ("esp",8); | |
197 | &ret (); | |
198 | ||
199 | &set_label("nohalt"); | |
200 | &xor ("eax","eax"); | |
201 | &xor ("edx","edx"); | |
202 | &ret (); | |
203 | &function_end_B("OPENSSL_instrument_halt"); | |
204 | ||
f642ebc1 RS |
205 | # Essentially there is only one use for this function. Under DJGPP: |
206 | # | |
207 | # #include <go32.h> | |
208 | # ... | |
209 | # i=OPENSSL_far_spin(_dos_ds,0x46c); | |
210 | # ... | |
211 | # to obtain the number of spins till closest timer interrupt. | |
212 | ||
213 | &function_begin_B("OPENSSL_far_spin"); | |
214 | &pushf (); | |
215 | &pop ("eax"); | |
216 | &bt ("eax",9); | |
217 | &jnc (&label("nospin")); # interrupts are disabled | |
218 | ||
219 | &mov ("eax",&DWP(4,"esp")); | |
220 | &mov ("ecx",&DWP(8,"esp")); | |
221 | &data_word (0x90d88e1e); # push %ds, mov %eax,%ds | |
222 | &xor ("eax","eax"); | |
223 | &mov ("edx",&DWP(0,"ecx")); | |
224 | &jmp (&label("spin")); | |
225 | ||
226 | &align (16); | |
227 | &set_label("spin"); | |
228 | &inc ("eax"); | |
229 | &cmp ("edx",&DWP(0,"ecx")); | |
230 | &je (&label("spin")); | |
231 | ||
232 | &data_word (0x1f909090); # pop %ds | |
233 | &ret (); | |
234 | ||
235 | &set_label("nospin"); | |
236 | &xor ("eax","eax"); | |
237 | &xor ("edx","edx"); | |
238 | &ret (); | |
239 | &function_end_B("OPENSSL_far_spin"); | |
cee73df3 AP |
240 | |
241 | &function_begin_B("OPENSSL_wipe_cpu","EXTRN\t_OPENSSL_ia32cap_P:DWORD"); | |
242 | &xor ("eax","eax"); | |
243 | &xor ("edx","edx"); | |
244 | &picmeup("ecx","OPENSSL_ia32cap_P"); | |
245 | &mov ("ecx",&DWP(0,"ecx")); | |
246 | &bt (&DWP(0,"ecx"),1); | |
247 | &jnc (&label("no_x87")); | |
c5022659 | 248 | if ($sse2) { |
b9064221 AP |
249 | &and ("ecx",1<<26|1<<24); # check SSE2 and FXSR bits |
250 | &cmp ("ecx",1<<26|1<<24); | |
251 | &jne (&label("no_sse2")); | |
c5022659 AP |
252 | &pxor ("xmm0","xmm0"); |
253 | &pxor ("xmm1","xmm1"); | |
254 | &pxor ("xmm2","xmm2"); | |
255 | &pxor ("xmm3","xmm3"); | |
256 | &pxor ("xmm4","xmm4"); | |
257 | &pxor ("xmm5","xmm5"); | |
258 | &pxor ("xmm6","xmm6"); | |
259 | &pxor ("xmm7","xmm7"); | |
260 | &set_label("no_sse2"); | |
261 | } | |
c49a0aa0 AP |
262 | # just a bunch of fldz to zap the fp/mm bank followed by finit... |
263 | &data_word(0xeed9eed9,0xeed9eed9,0xeed9eed9,0xeed9eed9,0x90e3db9b); | |
cee73df3 AP |
264 | &set_label("no_x87"); |
265 | &lea ("eax",&DWP(4,"esp")); | |
266 | &ret (); | |
267 | &function_end_B("OPENSSL_wipe_cpu"); | |
268 | ||
269 | &function_begin_B("OPENSSL_atomic_add"); | |
270 | &mov ("edx",&DWP(4,"esp")); # fetch the pointer, 1st arg | |
271 | &mov ("ecx",&DWP(8,"esp")); # fetch the increment, 2nd arg | |
272 | &push ("ebx"); | |
273 | &nop (); | |
274 | &mov ("eax",&DWP(0,"edx")); | |
275 | &set_label("spin"); | |
276 | &lea ("ebx",&DWP(0,"eax","ecx")); | |
277 | &nop (); | |
278 | &data_word(0x1ab10ff0); # lock; cmpxchg %ebx,(%edx) # %eax is envolved and is always reloaded | |
279 | &jne (&label("spin")); | |
280 | &mov ("eax","ebx"); # OpenSSL expects the new value | |
281 | &pop ("ebx"); | |
282 | &ret (); | |
283 | &function_end_B("OPENSSL_atomic_add"); | |
284 | ||
061bebc0 AP |
285 | # This function can become handy under Win32 in situations when |
286 | # we don't know which calling convention, __stdcall or __cdecl(*), | |
287 | # indirect callee is using. In C it can be deployed as | |
288 | # | |
289 | #ifdef OPENSSL_CPUID_OBJ | |
290 | # type OPENSSL_indirect_call(void *f,...); | |
291 | # ... | |
292 | # OPENSSL_indirect_call(func,[up to $max arguments]); | |
293 | #endif | |
294 | # | |
295 | # (*) it's designed to work even for __fastcall if number of | |
296 | # arguments is 1 or 2! | |
297 | &function_begin_B("OPENSSL_indirect_call"); | |
298 | { | |
f9c5e5d9 | 299 | my ($max,$i)=(7,); # $max has to be chosen as 4*n-1 |
061bebc0 AP |
300 | # in order to preserve eventual |
301 | # stack alignment | |
302 | &push ("ebp"); | |
303 | &mov ("ebp","esp"); | |
304 | &sub ("esp",$max*4); | |
305 | &mov ("ecx",&DWP(12,"ebp")); | |
306 | &mov (&DWP(0,"esp"),"ecx"); | |
307 | &mov ("edx",&DWP(16,"ebp")); | |
308 | &mov (&DWP(4,"esp"),"edx"); | |
309 | for($i=2;$i<$max;$i++) | |
310 | { | |
311 | # Some copies will be redundant/bogus... | |
312 | &mov ("eax",&DWP(12+$i*4,"ebp")); | |
313 | &mov (&DWP(0+$i*4,"esp"),"eax"); | |
314 | } | |
3ebf898e | 315 | &call_ptr (&DWP(8,"ebp"));# make the call... |
061bebc0 AP |
316 | &mov ("esp","ebp"); # ... and just restore the stack pointer |
317 | # without paying attention to what we called, | |
318 | # (__cdecl *func) or (__stdcall *one). | |
319 | &pop ("ebp"); | |
320 | &ret (); | |
321 | } | |
322 | &function_end_B("OPENSSL_indirect_call"); | |
323 | ||
b2dba9bf AP |
324 | &function_begin_B("OPENSSL_cleanse"); |
325 | &mov ("edx",&wparam(0)); | |
326 | &mov ("ecx",&wparam(1)); | |
327 | &xor ("eax","eax"); | |
328 | &cmp ("ecx",7); | |
329 | &jae (&label("lot")); | |
7676eebf AP |
330 | &cmp ("ecx",0); |
331 | &je (&label("ret")); | |
b2dba9bf AP |
332 | &set_label("little"); |
333 | &mov (&BP(0,"edx"),"al"); | |
334 | &sub ("ecx",1); | |
335 | &lea ("edx",&DWP(1,"edx")); | |
336 | &jnz (&label("little")); | |
7676eebf | 337 | &set_label("ret"); |
b2dba9bf AP |
338 | &ret (); |
339 | ||
340 | &set_label("lot",16); | |
341 | &test ("edx",3); | |
342 | &jz (&label("aligned")); | |
343 | &mov (&BP(0,"edx"),"al"); | |
344 | &lea ("ecx",&DWP(-1,"ecx")); | |
345 | &lea ("edx",&DWP(1,"edx")); | |
346 | &jmp (&label("lot")); | |
347 | &set_label("aligned"); | |
348 | &mov (&DWP(0,"edx"),"eax"); | |
349 | &lea ("ecx",&DWP(-4,"ecx")); | |
350 | &test ("ecx",-4); | |
351 | &lea ("edx",&DWP(4,"edx")); | |
352 | &jnz (&label("aligned")); | |
353 | &cmp ("ecx",0); | |
354 | &jne (&label("little")); | |
355 | &ret (); | |
356 | &function_end_B("OPENSSL_cleanse"); | |
357 | ||
5fabb88a AP |
358 | { |
359 | my $lasttick = "esi"; | |
360 | my $lastdiff = "ebx"; | |
361 | my $out = "edi"; | |
362 | my $cnt = "ecx"; | |
363 | my $max = "ebp"; | |
364 | ||
365 | &function_begin("OPENSSL_instrument_bus"); | |
366 | &mov ("eax",0); | |
367 | if ($sse2) { | |
368 | &picmeup("edx","OPENSSL_ia32cap_P"); | |
369 | &bt (&DWP(0,"edx"),4); | |
370 | &jnc (&label("nogo")); # no TSC | |
371 | &bt (&DWP(0,"edx"),19); | |
372 | &jnc (&label("nogo")); # no CLFLUSH | |
373 | ||
374 | &mov ($out,&wparam(0)); # load arguments | |
375 | &mov ($cnt,&wparam(1)); | |
376 | ||
377 | # collect 1st tick | |
378 | &rdtsc (); | |
379 | &mov ($lasttick,"eax"); # lasttick = tick | |
380 | &mov ($lastdiff,0); # lastdiff = 0 | |
381 | &clflush(&DWP(0,$out)); | |
b9064221 | 382 | &data_byte(0xf0); # lock |
5fabb88a AP |
383 | &add (&DWP(0,$out),$lastdiff); |
384 | &jmp (&label("loop")); | |
385 | ||
386 | &set_label("loop",16); | |
387 | &rdtsc (); | |
388 | &mov ("edx","eax"); # put aside tick (yes, I neglect edx) | |
389 | &sub ("eax",$lasttick); # diff | |
390 | &mov ($lasttick,"edx"); # lasttick = tick | |
391 | &mov ($lastdiff,"eax"); # lastdiff = diff | |
392 | &clflush(&DWP(0,$out)); | |
b9064221 | 393 | &data_byte(0xf0); # lock |
5fabb88a AP |
394 | &add (&DWP(0,$out),"eax"); # accumulate diff |
395 | &lea ($out,&DWP(4,$out)); # ++$out | |
396 | &sub ($cnt,1); # --$cnt | |
397 | &jnz (&label("loop")); | |
398 | ||
399 | &mov ("eax",&wparam(1)); | |
400 | &set_label("nogo"); | |
401 | } | |
402 | &function_end("OPENSSL_instrument_bus"); | |
403 | ||
404 | &function_begin("OPENSSL_instrument_bus2"); | |
405 | &mov ("eax",0); | |
406 | if ($sse2) { | |
407 | &picmeup("edx","OPENSSL_ia32cap_P"); | |
408 | &bt (&DWP(0,"edx"),4); | |
409 | &jnc (&label("nogo")); # no TSC | |
410 | &bt (&DWP(0,"edx"),19); | |
411 | &jnc (&label("nogo")); # no CLFLUSH | |
412 | ||
413 | &mov ($out,&wparam(0)); # load arguments | |
414 | &mov ($cnt,&wparam(1)); | |
415 | &mov ($max,&wparam(2)); | |
416 | ||
417 | &rdtsc (); # collect 1st tick | |
418 | &mov ($lasttick,"eax"); # lasttick = tick | |
419 | &mov ($lastdiff,0); # lastdiff = 0 | |
420 | ||
421 | &clflush(&DWP(0,$out)); | |
b9064221 | 422 | &data_byte(0xf0); # lock |
5fabb88a AP |
423 | &add (&DWP(0,$out),$lastdiff); |
424 | ||
425 | &rdtsc (); # collect 1st diff | |
426 | &mov ("edx","eax"); # put aside tick (yes, I neglect edx) | |
427 | &sub ("eax",$lasttick); # diff | |
428 | &mov ($lasttick,"edx"); # lasttick = tick | |
429 | &mov ($lastdiff,"eax"); # lastdiff = diff | |
430 | &jmp (&label("loop2")); | |
431 | ||
432 | &set_label("loop2",16); | |
433 | &clflush(&DWP(0,$out)); | |
b9064221 | 434 | &data_byte(0xf0); # lock |
5fabb88a AP |
435 | &add (&DWP(0,$out),"eax"); # accumulate diff |
436 | ||
437 | &sub ($max,1); | |
438 | &jz (&label("done2")); | |
439 | ||
440 | &rdtsc (); | |
441 | &mov ("edx","eax"); # put aside tick (yes, I neglect edx) | |
442 | &sub ("eax",$lasttick); # diff | |
443 | &mov ($lasttick,"edx"); # lasttick = tick | |
444 | &cmp ("eax",$lastdiff); | |
445 | &mov ($lastdiff,"eax"); # lastdiff = diff | |
446 | &mov ("edx",0); | |
447 | &setne ("dl"); | |
448 | &sub ($cnt,"edx"); # conditional --$cnt | |
449 | &lea ($out,&DWP(0,$out,"edx",4)); # conditional ++$out | |
450 | &jnz (&label("loop2")); | |
451 | ||
452 | &set_label("done2"); | |
453 | &mov ("eax",&wparam(1)); | |
454 | &sub ("eax",$cnt); | |
455 | &set_label("nogo"); | |
456 | } | |
457 | &function_end("OPENSSL_instrument_bus2"); | |
458 | } | |
459 | ||
301799b8 AP |
460 | &function_begin_B("OPENSSL_ia32_rdrand"); |
461 | &mov ("ecx",8); | |
462 | &set_label("loop"); | |
463 | &rdrand ("eax"); | |
464 | &jc (&label("break")); | |
465 | &loop (&label("loop")); | |
466 | &set_label("break"); | |
467 | &cmp ("eax",0); | |
468 | &cmove ("eax","ecx"); | |
469 | &ret (); | |
470 | &function_end_B("OPENSSL_ia32_rdrand"); | |
471 | ||
f4d45640 AP |
472 | &function_begin_B("OPENSSL_ia32_rdseed"); |
473 | &mov ("ecx",8); | |
474 | &set_label("loop"); | |
475 | &rdseed ("eax"); | |
476 | &jc (&label("break")); | |
477 | &loop (&label("loop")); | |
478 | &set_label("break"); | |
479 | &cmp ("eax",0); | |
480 | &cmove ("eax","ecx"); | |
481 | &ret (); | |
482 | &function_end_B("OPENSSL_ia32_rdseed"); | |
483 | ||
2b247cf8 | 484 | &initseg("OPENSSL_cpuid_setup"); |
14e21f86 | 485 | |
6206682a AP |
486 | &hidden("OPENSSL_cpuid_setup"); |
487 | &hidden("OPENSSL_ia32cap_P"); | |
488 | ||
14e21f86 | 489 | &asm_finish(); |