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Why does GCC generate such radically different assembly for nearly the same C code?
... as signed type is wrongly being used in this code, pretty much all of the transformations the compiler is making here are in cases where the behavior is undefined...
– R.. GitHub STOP HELPING ICE
Jun 9 '14 at 18:24
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What kinds of patterns could I enforce on the code to make it easier to translate to another program
...at you need symbol tables and flow analysis to do good program analysis or transformation. ASTs are necessary but not sufficient. This is the reason that Aho&Ullman's compiler book doesn't stop at chapter 2. (The OP has this right in that he is planning to build additional machinery beyond t...
Objective-C categories in static library
...ybe one day somebody finds my reply and may find it helpful.
The compiler transforms source files (.c, .cc, .cpp, .m) into object files (.o). There is one object file per source file. Object files contain symbols, code and data. Object files are not directly usable by the operating system.
Now whe...
Regular expression to match numbers with or without commas and decimals in text
... There are two functions, according if one wants the numbers '.1245' to be transformed in '0.1245' or not. I wouldn't be surprised if errors or unwanted matchings or unmatchings will remain for certain cases of number strings; then I'd like to know these cases to understand and correct the deficien...
Is Java really slow?
...CPU & system they're running on. JIT provides some very efficient loop transformations this way.
A couple of other historical facts contributed to the "Java is slow" reputation:
Before JIT compilation (Java 1.2/1.3), the language was only interpreted, not compiled, and thus very slow.
JIT co...
How to add a browser tab icon (favicon) for a website?
...cause it gave me the crispest favicon, and required no editing after their transformation.
It will generate favicons at 16x16 and 32x32 and to quote them "Every damn size, sir!"
Also, their site looks cool and is easy to use.
They also generate the html that you need to use for the files they gener...
In Bash, how do I add a string after each line in a file?
... answered May 13 at 11:59
欢乐的Xiaox欢乐的Xiaox
6944 bronze badges
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Android studio: new project vs new module
.../>
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
<excludeFolder url="file://$MODULE_DIR$/build/outputs" />
<excludeFolder url="file://$MODULE_DIR$/build/tmp" />
</content>
<orderEntry type="jdk" jdkName="Android API...
Can't import my own modules in Python
...7 at 11:30
未来陆家嘴顶尖的投资人未来陆家嘴顶尖的投资人
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...ilable in the vertex shader") as the sole attributes, and capture this via transform feedback.
This will be fast, because there are only two output attributes (main bottleneck in GS), and it is close to "no-op" otherwise in both stages.
Bind a buffer texture which contains, for each character in the...