diff options
Diffstat (limited to 'arch/avr32/lib/__avr32_asr64.S')
| -rw-r--r-- | arch/avr32/lib/__avr32_asr64.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/avr32/lib/__avr32_asr64.S b/arch/avr32/lib/__avr32_asr64.S new file mode 100644 index 000000000000..368b6bca4c76 --- /dev/null +++ b/arch/avr32/lib/__avr32_asr64.S @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2005-2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + + /* + * DWtype __avr32_asr64(DWtype u, word_type b) + */ + .text + .global __avr32_asr64 + .type __avr32_asr64,@function +__avr32_asr64: + cp.w r12, 0 + reteq r12 + + rsub r9, r12, 32 + brle 1f + + lsl r8, r11, r9 + lsr r10, r10, r12 + asr r11, r11, r12 + or r10, r8 + retal r12 + +1: neg r9 + asr r10, r11, r9 + asr r11, 31 + retal r12 |