Split the SIMD implementations into their own modules and choose one

at config time.

12 files changed, 41 insertions, 16 deletions

diff --git a/src/block/noekeon_simd/info.txt b/src/block/noekeon_simd/info.txt
index b73954cff..deac80702 100644
--- a/src/block/noekeon_simd/info.txt
+++ b/src/block/noekeon_simd/info.txt
@@ -2,6 +2,6 @@ define NOEKEON_SIMD
 
 <requires>
 noekeon
-simd_32
+simd
 simd_engine
 </requires>
diff --git a/src/block/serpent_simd/info.txt b/src/block/serpent_simd/info.txt
index b3bf34972..b6628d1d4 100644
--- a/src/block/serpent_simd/info.txt
+++ b/src/block/serpent_simd/info.txt
@@ -2,7 +2,7 @@ define SERPENT_SIMD
 
 <requires>
 serpent
-simd_32
+simd
 simd_engine
 </requires>
 
diff --git a/src/block/xtea_simd/info.txt b/src/block/xtea_simd/info.txt
index 5a8445b35..c16bfa2fa 100644
--- a/src/block/xtea_simd/info.txt
+++ b/src/block/xtea_simd/info.txt
@@ -2,6 +2,6 @@ define XTEA_SIMD
 
 <requires>
 xtea
-simd_32
+simd
 simd_engine
 </requires>
diff --git a/src/engine/simd_engine/info.txt b/src/engine/simd_engine/info.txt
index aaf218561..229b1daaf 100644
--- a/src/engine/simd_engine/info.txt
+++ b/src/engine/simd_engine/info.txt
@@ -11,5 +11,5 @@ simd_engine.h
 </header:internal>
 
 <requires>
-simd_32
+simd
 </requires>
diff --git a/src/utils/simd_32/info.txt b/src/simd/info.txt
index 362e90235..d0601b141 100644
--- a/src/utils/simd_32/info.txt
+++ b/src/simd/info.txt
@@ -2,7 +2,8 @@ define SIMD_32
 
 <header:internal>
 simd_32.h
-simd_sse.h
-simd_scalar.h
-simd_altivec.h
 </header:internal>
+
+<requires>
+simd_sse2|simd_altivec|simd_scalar
+</requires>
diff --git a/src/utils/simd_32/simd_32.h b/src/simd/simd_32.h
index e172fa919..4ef0cea85 100644
--- a/src/utils/simd_32/simd_32.h
+++ b/src/simd/simd_32.h
@@ -1,6 +1,6 @@
 /*
 * Lightweight wrappers for SIMD operations
-* (C) 2009 Jack Lloyd
+* (C) 2009,2011 Jack Lloyd
 *
 * Distributed under the terms of the Botan license
 */
@@ -9,23 +9,22 @@
 #define BOTAN_SIMD_32_H__
 
 #include <botan/types.h>
-#include <botan/rotate.h>
 
-#if defined(BOTAN_TARGET_CPU_HAS_SSE2) && !defined(BOTAN_NO_SSE_INTRINSICS)
-
-  #include <botan/internal/simd_sse.h>
+#if defined(BOTAN_HAS_SIMD_SSE2)
+  #include <botan/internal/simd_sse2.h>
   namespace Botan { typedef SIMD_SSE2 SIMD_32; }
 
-#elif defined(BOTAN_TARGET_CPU_HAS_ALTIVEC)
-
+#elif defined(BOTAN_HAS_SIMD_ALTIVEC)
   #include <botan/internal/simd_altivec.h>
   namespace Botan { typedef SIMD_Altivec SIMD_32; }
 
-#else
-
+#elif defined(BOTAN_HAS_SIMD_SCALAR)
   #include <botan/internal/simd_scalar.h>
   namespace Botan { typedef SIMD_Scalar SIMD_32; }
 
+#else
+  #error "No SIMD module defined"
+
 #endif
 
 #endif
diff --git a/src/simd/simd_altivec/info.txt b/src/simd/simd_altivec/info.txt
new file mode 100644
index 000000000..aa2f01c2d
--- /dev/null
+++ b/src/simd/simd_altivec/info.txt
@@ -0,0 +1,9 @@
+define SIMD_ALTIVEC
+
+need_isa altivec
+
+load_on dep
+
+<header:internal>
+simd_altivec.h
+</header:internal>
diff --git a/src/utils/simd_32/simd_altivec.h b/src/simd/simd_altivec/simd_altivec.h
index 4c412ddec..4c412ddec 100644
--- a/src/utils/simd_32/simd_altivec.h
+++ b/src/simd/simd_altivec/simd_altivec.h
diff --git a/src/simd/simd_scalar/info.txt b/src/simd/simd_scalar/info.txt
new file mode 100644
index 000000000..6817eab80
--- /dev/null
+++ b/src/simd/simd_scalar/info.txt
@@ -0,0 +1,7 @@
+define SIMD_SCALAR
+
+load_on dep
+
+<header:internal>
+simd_scalar.h
+</header:internal>
diff --git a/src/utils/simd_32/simd_scalar.h b/src/simd/simd_scalar/simd_scalar.h
index 2c68622af..2c68622af 100644
--- a/src/utils/simd_32/simd_scalar.h
+++ b/src/simd/simd_scalar/simd_scalar.h
diff --git a/src/simd/simd_sse2/info.txt b/src/simd/simd_sse2/info.txt
new file mode 100644
index 000000000..e56792491
--- /dev/null
+++ b/src/simd/simd_sse2/info.txt
@@ -0,0 +1,9 @@
+define SIMD_SSE2
+
+need_isa sse2
+
+load_on dep
+
+<header:internal>
+simd_sse2.h
+</header:internal>
diff --git a/src/utils/simd_32/simd_sse.h b/src/simd/simd_sse2/simd_sse2.h
index 61fce99a9..61fce99a9 100644
--- a/src/utils/simd_32/simd_sse.h
+++ b/src/simd/simd_sse2/simd_sse2.h