File: inline-asm-mrv.c

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (12 lines) | stat: -rw-r--r-- 366 bytes parent folder | download | duplicates (38)
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;
}