File: inline-asm-mrv.c

package info (click to toggle)
llvm-toolchain-3.4 1%3A3.4.2-13
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 253,236 kB
  • ctags: 276,203
  • sloc: cpp: 1,665,580; ansic: 298,647; asm: 206,157; objc: 84,350; python: 73,119; sh: 23,466; perl: 5,679; makefile: 5,542; ml: 5,250; pascal: 2,467; lisp: 1,420; xml: 679; cs: 236; csh: 117
file content (12 lines) | stat: -rw-r--r-- 366 bytes parent folder | download | duplicates (40) 
1
2
3
4
5
6
7
8
9
10
11
12
 
// RUN: %clang_cc1 -emit-llvm %s -o - -O | not grep alloca
// PR2094

int sad16_sse2(void *v, unsigned char *blk2, unsigned char *blk1,
               int stride, int h) {
    int ret;
    asm volatile( "%0 %1 %2 %3"
        : "+r" (h), "+r" (blk1), "+r" (blk2)
        : "r" ((long)stride));
    asm volatile("set %0 %1" : "=r"(ret) : "r"(blk1));
    return ret;
}