17 lines · c
1// REQUIRES: x86-registered-target2// RUN: %clang_cc1 -triple x86_64-unknown-unknown -O1 -no-integrated-as \3// RUN: -S -o - %s | FileCheck %s4 5typedef long long int64_t;6typedef unsigned char uint8_t;7typedef int64_t x86_reg;8 9void avg_pixels8_mmx2(uint8_t *block, const uint8_t *pixels, int line_size, int h)10{11 __asm__ volatile("# %0 %1 %2 %3"12 :"+g"(h), "+S"(pixels), "+D"(block)13 :"r" ((x86_reg)line_size) 14 :"%""rax", "memory");15// CHECK: # %ecx %rsi %rdi %rdx16 }17