Add Altivec vector extraction tests

1 files changed, 31 insertions, 2 deletions

diff --git a/validat1.cpp b/validat1.cpp
index 4a602425..2bbc51f0 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -1067,7 +1067,6 @@ bool TestHuffmanCodes()
 bool TestAltivecOps()

 {

     std::cout << "\nTesting Altivec operations...\n\n";

-    bool pass1=true, pass2=true;

 

     if (HasAltivec() == false)

     {

@@ -1082,6 +1081,7 @@ bool TestAltivecOps()
     // Altivec/POWER4 without POWER7, like on an old PowerMac.

 

     //********** Unaligned loads and stores **********//

+    bool pass1=true;

 

     CRYPTOPP_ALIGN_DATA(16)

     byte dest[20], src[20] = {23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4};

@@ -1138,6 +1138,7 @@ bool TestAltivecOps()
     std::cout << "  Altivec loads and stores" << std::endl;

 

     //********** Shifts **********//

+    bool pass2=true;

 

     uint8x16_p val = {0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,

                       0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff};

@@ -1183,7 +1184,35 @@ bool TestAltivecOps()
         std::cout << "passed:";

     std::cout << "  Altivec left and right shifts" << std::endl;

 

-    return pass1 && pass2;

+    //********** Extraction **********//

+    bool pass3=true;

+    

+    uint8x16_p ex1 = {0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18,

+                      0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};

+    uint8x16_p ex2 = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,

+                      0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};

+    uint8x16_p ex3 = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,

+                      0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18};

+

+    pass3 = VectorEqual(ex2, VectorGetLow(ex1)) && pass3;

+    CRYPTOPP_ASSERT(pass3);

+    pass3 = VectorEqual(ex3, VectorGetHigh(ex1)) && pass3;

+    CRYPTOPP_ASSERT(pass3);

+

+    uint8x16_p ex4 = VectorShiftRight<8>(VectorShiftLeft<8>(ex1));

+    pass3 = VectorEqual(ex4, VectorGetLow(ex1)) && pass3;

+    CRYPTOPP_ASSERT(pass3);

+    uint8x16_p ex5 = VectorShiftRight<8>(ex1);

+    pass3 = VectorEqual(ex5, VectorGetHigh(ex1)) && pass3;

+    CRYPTOPP_ASSERT(pass3);

+

+    if (!pass3)

+        std::cout << "FAILED:";

+    else

+        std::cout << "passed:";

+    std::cout << "  Altivec vector extraction" << std::endl;

+

+    return pass1 && pass2 && pass3;

 }

 #endif

 #endif