aarch64: Implement bmask/bextend in ISLE (#4358)

* aarch64: Implement `bmask`/`bextend` in ISLE * cranelift: Remove vector versions of `bextend` * aarch64: Cleanup `bmask`/`bextend` documentation
2022-07-01 17:37:18 +01:00
parent 64759f04a4
commit 38ecd3744f
7 changed files with 63 additions and 60 deletions
--- a/cranelift/filetests/filetests/isa/aarch64/bitops.clif
+++ b/cranelift/filetests/filetests/isa/aarch64/bitops.clif
@@ -317,8 +317,8 @@ block0:
 }

 ; block0:
-;   movz x2, #255
-;   sxtb w0, w2
+;   movz x1, #255
+;   sxtb w0, w1
 ;   ret

 function %bextend_b1() -> b32 {
@@ -329,8 +329,8 @@ block0:
 }

 ; block0:
-;   movz x2, #1
-;   sbfx w0, w2, #0, #1
+;   movz x1, #1
+;   sbfx w0, w1, #0, #1
 ;   ret

 function %bnot_i32(i32) -> i32 {