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pull/703/head
Jeffrey Walton 2018-08-14 06:07:19 -04:00
parent 93149e4c25
commit f1b190740c
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1 changed files with 5 additions and 3 deletions
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8
adv-simd.h
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@ -2018,14 +2018,16 @@ inline size_t AdvancedProcessBlocks64_6x2_ALTIVEC(F2 func2, F6 func6,
// There is no easy way to load 8-bytes into a vector. It is // There is no easy way to load 8-bytes into a vector. It is
// even harder without POWER8 due to lack of 64-bit elements. // even harder without POWER8 due to lack of 64-bit elements.
// The high 8 bytes are "don't care" but it if we don't
// initialize the block then it generates warnings.
std::memcpy(temp+LowOffset, inBlocks, 8); std::memcpy(temp+LowOffset, inBlocks, 8);
std::memset(temp+HighOffset, 0, 8); std::memcpy(temp+HighOffset, inBlocks, 8); // don't care
block = (uint32x4_p)VectorLoadBE(temp); block = (uint32x4_p)VectorLoadBE(temp);
if (xorInput) if (xorInput)
{ {
std::memcpy(temp+LowOffset, xorBlocks, 8); std::memcpy(temp+LowOffset, xorBlocks, 8);
std::memset(temp+HighOffset, 0, 8); std::memcpy(temp+HighOffset, xorBlocks, 8); // don't care
uint32x4_p x = (uint32x4_p)VectorLoadBE(temp); uint32x4_p x = (uint32x4_p)VectorLoadBE(temp);
block = VectorXor(block, x); block = VectorXor(block, x);
} }
@ -2039,7 +2041,7 @@ inline size_t AdvancedProcessBlocks64_6x2_ALTIVEC(F2 func2, F6 func6,
if (xorOutput) if (xorOutput)
{ {
std::memcpy(temp+LowOffset, xorBlocks, 8); std::memcpy(temp+LowOffset, xorBlocks, 8);
std::memset(temp+HighOffset, 0, 8); std::memcpy(temp+HighOffset, xorBlocks, 8); // don't care
uint32x4_p x = (uint32x4_p)VectorLoadBE(temp); uint32x4_p x = (uint32x4_p)VectorLoadBE(temp);
block = VectorXor(block, x); block = VectorXor(block, x);
} }