Matt Giuca mgiuca
mgiuca
/ stringpieceitertest.s
Created
March 21, 2017 07:31
Assembly code for iteration over StringPiece (by-value vs by-reference)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # Source: | |
| # void StringPieceIterTestVal(const std::vector<base::StringPiece>& vector) { | |
| # for (base::StringPiece piece : vector) | |
| # std::fwrite(piece.data(), piece.size(), 1, stdout); | |
| # } | |
| # | |
| # void StringPieceIterTestRef(const std::vector<base::StringPiece>& vector) { | |
| # for (const base::StringPiece& piece : vector) | |
| # std::fwrite(piece.data(), piece.size(), 1, stdout); | |
| # } |
mgiuca
/ stringpiecefindtest-val.s
Created
March 21, 2017 07:39
Assembly code for iteration over StringPiece (by-value)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # Source: | |
| # void StringPieceFindTestVal(const std::vector<base::StringPiece>& vector) { | |
| # for (base::StringPiece piece : vector) | |
| # printf("%zu\n", piece.find('x')); | |
| # } | |
| # | |
| # Compiler: clang++ Linux 64-bit | |
| # BB#0: # %entry | |
| pushq %rbp |
mgiuca
/ stringpiecefindtest-ref.s
Last active
March 21, 2017 08:02
Assembly code for iteration over StringPiece (by-reference)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # Source: | |
| # void StringPieceFindTestRef(const std::vector<base::StringPiece>& vector) { | |
| # for (const base::StringPiece& piece : vector) | |
| # printf("%zu\n", piece.find('x')); | |
| # } | |
| # | |
| # Compiler: clang++ Linux 64-bit | |
| # BB#0: # %entry | |
| pushq %rbp |
mgiuca
/ stringpiecefindtest-fixed.s
Created
March 21, 2017 23:56
Assembly code for iteration over StringPiece; with base::internal::find changed to take arguments by value
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # Source: | |
| # void StringPieceFindTestVal(const std::vector<base::StringPiece>& vector) { | |
| # for (base::StringPiece piece : vector) | |
| # printf("%zu\n", piece.find('x')); | |
| # } | |
| # | |
| # void StringPieceFindTestRef(const std::vector<base::StringPiece>& vector) { | |
| # for (const base::StringPiece& piece : vector) | |
| # printf("%zu\n", piece.find('x')); | |
| # } |