// Works on all IA-64 platforms: Linux, HP-UX, Win64i...
// On Win64i compile with ias.exe.
.text
+
.global OPENSSL_cpuid_setup#
.proc OPENSSL_cpuid_setup#
OPENSSL_cpuid_setup:
{ .mib; br.ret.sptk.many b0 };;
.endp OPENSSL_cpuid_setup#
+
.global OPENSSL_rdtsc#
.proc OPENSSL_rdtsc#
OPENSSL_rdtsc:
{ .mii; mov ar.ccv=r2
add r8=r2,r33
mov r3=r2 };;
-{ .mmi; mf
+{ .mmi; mf;;
cmpxchg4.acq r2=[r32],r8,ar.ccv
nop.i 0 };;
{ .mib; cmp.ne p6,p0=r2,r3
mov ar.lc=r3
br.ret.sptk b0 };;
.endp OPENSSL_wipe_cpu#
+
+.global OPENSSL_cleanse#
+.proc OPENSSL_cleanse#
+OPENSSL_cleanse:
+{ .mib; cmp.eq p6,p0=0,r33 // len==0
+#if defined(_HPUX_SOURCE) && !defined(_LP64)
+ addp4 r32=0,r32
+#endif
+(p6) br.ret.spnt b0 };;
+{ .mib; and r2=7,r32
+ cmp.leu p6,p0=15,r33 // len>=15
+(p6) br.cond.dptk .Lot };;
+
+.Little:
+{ .mib; st1 [r32]=r0,1
+ cmp.ltu p6,p7=1,r33 } // len>1
+{ .mbb; add r33=-1,r33 // len--
+(p6) br.cond.dptk .Little
+(p7) br.ret.sptk.many b0 };;
+
+.Lot:
+{ .mib; cmp.eq p6,p0=0,r2
+(p6) br.cond.dptk .Laligned };;
+{ .mmi; st1 [r32]=r0,1;;
+ and r2=7,r32 }
+{ .mib; add r33=-1,r33
+ br .Lot };;
+
+.Laligned:
+{ .mmi; st8 [r32]=r0,8
+ and r2=-8,r33 // len&~7
+ add r33=-8,r33 };; // len-=8
+{ .mib; cmp.ltu p6,p0=8,r2 // ((len+8)&~7)>8
+(p6) br.cond.dptk .Laligned };;
+
+{ .mbb; cmp.eq p6,p7=r0,r33
+(p7) br.cond.dpnt .Little
+(p6) br.ret.sptk.many b0 };;
+.endp OPENSSL_cleanse#