diff options
Diffstat (limited to 'lib/arm/bswapdi2.S')
| -rw-r--r-- | lib/arm/bswapdi2.S | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/lib/arm/bswapdi2.S b/lib/arm/bswapdi2.S deleted file mode 100644 index a0283e14e1e0..000000000000 --- a/lib/arm/bswapdi2.S +++ /dev/null @@ -1,36 +0,0 @@ -//===------- bswapdi2 - Implement bswapdi2 --------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern uint64_t __bswapdi2(uint64_t); -// -// Reverse all the bytes in a 64-bit integer. -// -.align 2 -DEFINE_COMPILERRT_FUNCTION(__bswapdi2) -#if __ARM_ARCH_5TEJ__ || __ARM_ARCH_4T__ - // before armv6 does not have "rev" instruction - // r2 = rev(r0) - eor r2, r0, r0, ror #16 - bic r2, r2, #0xff0000 - mov r2, r2, lsr #8 - eor r2, r2, r0, ror #8 - // r0 = rev(r1) - eor r0, r1, r1, ror #16 - bic r0, r0, #0xff0000 - mov r0, r0, lsr #8 - eor r0, r0, r1, ror #8 -#else - rev r2, r0 // r2 = rev(r0) - rev r0, r1 // r0 = rev(r1) -#endif - mov r1, r2 // r1 = r2 = rev(r0) - bx lr |