Remove unneeded PPC code

Update comments

1 files changed, 1 insertions, 21 deletions

diff --git a/ppc_simd.h b/ppc_simd.h
index d3f66f60..9d7634b3 100644
--- a/ppc_simd.h
+++ b/ppc_simd.h
@@ -57,7 +57,7 @@
 // process the builtins and intrinsics. Clang will waste hours of your time.

 

 // DO NOT USE this pattern in VecLoad and VecStore. We have to use the

-// spaghetti code tangled in preprocessor macros because XLC 12 generates

+// code paths guarded by preprocessor macros because XLC 12 generates

 // bad code in some places. To verify the bad code generation test on

 // GCC111 with XLC 12.01 installed. XLC 13.01 on GCC112 and GCC119 are OK.

 //

@@ -83,14 +83,6 @@
 # undef bool

 #endif

 

-// IBM XLC on AIX does not define __CRYPTO__ like it should

-// with -qarch=pwr8. Crypto is available in XLC 13.1 and above.

-// More LLVM front-end goodness.

-#if defined(_AIX) && defined(_ARCH_PWR8) && (__xlC__ >= 0xd01)

-# undef __CRYPTO__

-# define __CRYPTO__ 1

-#endif

-

 // The Power ABI says source arrays are non-const. XLC++

 // will fail to compile if the source array is const.

 #define CONST_V8_CAST(x) ((unsigned char*)(x))

@@ -256,8 +248,6 @@ inline uint32x4_p VecLoad(const byte src[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     return (uint32x4_p)vec_xl(off, CONST_V32_CAST(src));

-#elif defined(__VSX__) // will this ever be taken?

-    return (uint32x4_p)vec_vsx_ld(off, CONST_V32_CAST(src));

 #else

     return (uint32x4_p)VecLoad_ALTIVEC(off, src);

 #endif

@@ -283,8 +273,6 @@ inline uint32x4_p VecLoad(int off, const byte src[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     return (uint32x4_p)vec_xl(off, CONST_V32_CAST(src));

-#elif defined(__VSX__) // will this ever be taken?

-    return (uint32x4_p)vec_vsx_ld(off, CONST_V32_CAST(src));

 #else

     return (uint32x4_p)VecLoad_ALTIVEC(off, src);

 #endif

@@ -380,8 +368,6 @@ inline uint32x4_p VecLoadAligned(const byte src[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     return (uint32x4_p)vec_xl(off, CONST_V32_CAST(src));

-#elif defined(__VSX__) // will this ever be taken?

-    return (uint32x4_p)vec_vsx_ld(off, CONST_V32_CAST(src));

 #else

     return (uint32x4_p)vec_ld(off, src);

 #endif

@@ -405,8 +391,6 @@ inline uint32x4_p VecLoadAligned(int off, const byte src[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     return (uint32x4_p)vec_xl(off, CONST_V32_CAST(src));

-#elif defined(__VSX__) // will this ever be taken?

-    return (uint32x4_p)vec_vsx_ld(off, CONST_V32_CAST(src));

 #else

     return (uint32x4_p)vec_ld(off, src);

 #endif

@@ -564,8 +548,6 @@ inline void VecStore(const T data, byte dest[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     vec_xst((uint32x4_p)data, off, NCONST_V32_CAST(dest));

-#elif defined(__VSX__) // will this ever be taken?

-    vec_vsx_st((uint32x4_p)data, off, NCONST_V32_CAST(dest));

 #else

     VecStore_ALTIVEC((uint8x16_p)data, off, NCONST_V8_CAST(dest));

 #endif

@@ -594,8 +576,6 @@ inline void VecStore(const T data, int off, byte dest[16])
 #elif defined(_ARCH_PWR7) && defined(__VSX__)

     // ISA 2.06 provides vec_xl, but it lacks short* and char*

     vec_xst((uint32x4_p)data, off, NCONST_V32_CAST(dest));

-#elif defined(__VSX__) // will this ever be taken?

-    vec_vsx_st((uint32x4_p)data, off, NCONST_V32_CAST(dest));

 #else

     VecStore_ALTIVEC((uint8x16_p)data, off, NCONST_V8_CAST(dest));

 #endif