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comparison tests/mini/naked_asm3.d @ 920:545f54041d91

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Implemented proper support for naked asm using llvm module level asm. Still not 100% complete, but already 1000 times better that what we had before. Don's BignumX86 implementation from Tango (when turned into a standalone unittest) seems to fully work with no changes, and great performance :) Fixed align N; in asm blocks. Fixed inreg parameter passing on x86 for ref/out params. Removed support for lazy initialization of function local static variables, I have no idea why I ever implemented this, it's not in the D spec, and DMD doesn't support it :P Some of the global variable related changes might cause minor regressions, but they should be easily fixable.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 03 Feb 2009 08:54:57 +0100
parents
children bbb3f23908aa
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919:c76f74d09fb1 920:545f54041d91
1 int foo()
2 {
3 enum { fourty2 = 42 }
4 version(X86)
5 asm
6 {
7 naked;
8 mov EAX, fourty2;
9 ret;
10 }
11 else static assert(0, "todo");
12 }
13
14 void main()
15 {
16 int i = foo();
17 printf("i == %d\n", i);
18 assert(i == 42);
19 }
20
21 extern(C) int printf(char*, ...);