T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Restrict uextend and sextend to scalar integers (#5953)

Browse Source
This commit is contained in:
Trevor Elliott
2023-03-07 11:10:50 -08:00
committed by GitHub
parent b44f67b6d7
commit 709257011e
2 changed files with 47 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
cranelift/codegen/src/isa/s390x/lower.isle
View File

@@ -931,14 +931,14 @@
(put_in_reg_zext64 x))
;; 128-bit target types.
(rule (lower (has_type (vr128_ty ty) (uextend x @ (value_type $I8))))
(vec_insert_lane $I8X16 (vec_imm ty 0) x 15 (zero_reg)))
(rule (lower (has_type (vr128_ty ty) (uextend x @ (value_type $I16))))
(vec_insert_lane $I16X8 (vec_imm ty 0) x 7 (zero_reg)))
(rule (lower (has_type (vr128_ty ty) (uextend x @ (value_type $I32))))
(vec_insert_lane $I32X4 (vec_imm ty 0) x 3 (zero_reg)))
(rule (lower (has_type (vr128_ty ty) (uextend x @ (value_type $I64))))
(vec_insert_lane $I64X2 (vec_imm ty 0) x 1 (zero_reg)))
(rule (lower (has_type $I128 (uextend x @ (value_type $I8))))
(vec_insert_lane $I8X16 (vec_imm $I128 0) x 15 (zero_reg)))
(rule (lower (has_type $I128 (uextend x @ (value_type $I16))))
(vec_insert_lane $I16X8 (vec_imm $I128 0) x 7 (zero_reg)))
(rule (lower (has_type $I128 (uextend x @ (value_type $I32))))
(vec_insert_lane $I32X4 (vec_imm $I128 0) x 3 (zero_reg)))
(rule (lower (has_type $I128 (uextend x @ (value_type $I64))))
(vec_insert_lane $I64X2 (vec_imm $I128 0) x 1 (zero_reg)))
;;;; Rules for `sextend` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -952,9 +952,9 @@
(put_in_reg_sext64 x))
;; 128-bit target types.
(rule (lower (has_type (vr128_ty ty) (sextend x)))
(rule (lower (has_type $I128 (sextend x)))
(let ((x_ext Reg (put_in_reg_sext64 x)))
(mov_to_vec128 ty (ashr_imm $I64 x_ext 63) x_ext)))
(mov_to_vec128 $I128 (ashr_imm $I64 x_ext 63) x_ext)))
;;;; Rules for `snarrow` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;