diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2011-01-27 18:53:02 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2011-01-27 18:53:02 +0000 |
| commit | 55ec6926177c879a49ab81408b9775b2ef65b8d6 (patch) | |
| tree | b5854b89d52aee3b9cf1d494a311950afa4aea6e /arm.risu | |
| parent | f60b88d4b8d88f21cefa588df3c9d4ecf39eb4f4 (diff) | |
ARM: add Neon saturating add/sub patterns
Diffstat (limited to 'arm.risu')
| -rw-r--r-- | arm.risu | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -154,3 +154,13 @@ VQDMLAL_scalar A2 1111 0010 1 d sz:2 vn:4 vd:3 0 0 op 11 n 1 m 0 vm:4 { ($sz != VMULL_scalar A2 1111 001 u 1 d sz:2 vn:4 vd:3 0 1010 n 1 m 0 vm:4 { ($sz != 3) && ($sz != 0); } # VQDMULL scalar VQDMULL_scalar A2 1111 0010 1 d sz:2 vn:4 vd:3 0 1011 n 1 m 0 vm:4 { ($sz != 3) && ($sz != 0); } + +# Neon saturating add/sub +# VQADD VQSUB +# Q=1 case: +VQADD_a A1 1111 001 u 0 d sz:2 vn:3 0 vd:3 0 0000 n 1 m 1 vm:3 0 +# Q=0: +VQADD_b A1 1111 001 u 0 d sz:2 vn:4 vd:4 0000 n 0 m 1 vm:4 +# VQSUB +VQSUB_a A1 1111 001 u 0 d sz:2 vn:3 0 vd:3 0 0010 n 1 m 1 vm:3 0 +VQSUB_b A1 1111 001 u 0 d sz:2 vn:4 vd:4 0010 n 0 m 1 vm:4 |