diff options
| author | Andy Polyakov <appro@openssl.org> | 2016-05-15 17:01:15 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2016-05-19 22:33:00 +0200 |
| commit | e33826f01bd78af76e0135c8dfab3387927a82bb (patch) | |
| tree | a44459e3859610fe7ce35bc4923d8af6d6110e09 /crypto/ia64cpuid.S | |
| parent | 2e6d7799ffc47604d06e0465afeb84b91aff8006 (diff) | |
Add assembly CRYPTO_memcmp.
GH: #102
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/ia64cpuid.S')
| -rw-r--r-- | crypto/ia64cpuid.S | 60 |
1 files changed, 49 insertions, 11 deletions
diff --git a/crypto/ia64cpuid.S b/crypto/ia64cpuid.S index bf5abc3be3..f942648bae 100644 --- a/crypto/ia64cpuid.S +++ b/crypto/ia64cpuid.S @@ -2,6 +2,12 @@ // On Win64i compile with ias.exe. .text +#if defined(_HPUX_SOURCE) && !defined(_LP64) +#define ADDP addp4 +#else +#define ADDP add +#endif + .global OPENSSL_cpuid_setup# .proc OPENSSL_cpuid_setup# OPENSSL_cpuid_setup: @@ -131,9 +137,7 @@ OPENSSL_wipe_cpu: .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 + ADDP r32=0,r32 (p6) br.ret.spnt b0 };; { .mib; and r2=7,r32 cmp.leu p6,p0=15,r33 // len>=15 @@ -166,14 +170,51 @@ OPENSSL_cleanse: (p6) br.ret.sptk.many b0 };; .endp OPENSSL_cleanse# +.global CRYPTO_memcmp# +.proc CRYPTO_memcmp# +.align 32 +.skip 16 +CRYPTO_memcmp: + .prologue +{ .mib; mov r8=0 + cmp.eq p6,p0=0,r34 // len==0? +(p6) br.ret.spnt b0 };; + .save ar.pfs,r2 +{ .mib; alloc r2=ar.pfs,3,5,0,8 + .save ar.lc,r3 + mov r3=ar.lc + brp.loop.imp .Loop_cmp_ctop,.Loop_cmp_cend-16 + } +{ .mib; sub r10=r34,r0,1 + .save pr,r9 + mov r9=pr };; +{ .mii; ADDP r16=0,r32 + mov ar.lc=r10 + mov ar.ec=4 } +{ .mib; ADDP r17=0,r33 + mov pr.rot=1<<16 };; + +.Loop_cmp_ctop: +{ .mib; (p16) ld1 r32=[r16],1 + (p18) xor r34=r34,r38 } +{ .mib; (p16) ld1 r36=[r17],1 + (p19) or r8=r8,r35 + br.ctop.sptk .Loop_cmp_ctop };; +.Loop_cmp_cend: + +{ .mib; cmp.ne p6,p0=0,r8 + mov ar.lc=r3 };; +{ .mib; +(p6) mov r8=1 + mov pr=r9,0x1ffff + br.ret.sptk.many b0 };; +.endp CRYPTO_memcmp# + .global OPENSSL_instrument_bus# .proc OPENSSL_instrument_bus# OPENSSL_instrument_bus: { .mmi; mov r2=r33 -#if defined(_HPUX_SOURCE) && !defined(_LP64) - addp4 r32=0,r32 -#endif - } + ADDP r32=0,r32 } { .mmi; mov r8=ar.itc;; mov r10=r0 mov r9=r8 };; @@ -208,10 +249,7 @@ OPENSSL_instrument_bus: .proc OPENSSL_instrument_bus2# OPENSSL_instrument_bus2: { .mmi; mov r2=r33 // put aside cnt -#if defined(_HPUX_SOURCE) && !defined(_LP64) - addp4 r32=0,r32 -#endif - } + ADDP r32=0,r32 } { .mmi; mov r8=ar.itc;; mov r10=r0 mov r9=r8 };; |