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Unlike a lot of NEON instructions, vext isn't _actually_ parameterized by element size. Instead,

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all of the different element sizes are pseudo instructions that map down to vext.8 underneath, with
the immediate shifted left to reflect the increased element size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118183 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2010-11-03 18:16:27 +00:00
parent d5ce456161
commit 7a25825033
2 changed files with 32 additions and 10 deletions
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4
test/MC/ARM/neon-shuffle-encoding.s
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@@ -8,9 +8,9 @@
vext.8 q8, q9, q8, #3
@ CHECK: vext.8 q8, q9, q8, #7 @ encoding: [0xe0,0x07,0xf2,0xf2]
vext.8 q8, q9, q8, #7
@ CHECK: vext.16 d16, d17, d16, #3 @ encoding: [0xa0,0x03,0xf1,0xf2]
@ CHECK: vext.16 d16, d17, d16, #3 @ encoding: [0xa0,0x06,0xf1,0xf2]
vext.16 d16, d17, d16, #3
@ CHECK: vext.32 q8, q9, q8, #3 @ encoding: [0xe0,0x03,0xf2,0xf2]
@ CHECK: vext.32 q8, q9, q8, #3 @ encoding: [0xe0,0x0c,0xf2,0xf2]
vext.32 q8, q9, q8, #3
@ CHECK: vtrn.8 d17, d16 @ encoding: [0xa0,0x10,0xf2,0xf3]
vtrn.8 d17, d16