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

x64: Lower bitcast, fabs, and fneg in ISLE (#4729)

Browse Source 
* Add tests for bitcast

* Migrate bitcast to ISLE

* Add tests for fabs

* Lower fabs in ISLE

* Add tests for fneg

* Lower fneg in ISLE
This commit is contained in:
Trevor Elliott
2022-08-18 17:59:23 -07:00
committed by GitHub
parent 5ec92d59d2
commit 80c77da334
9 changed files with 279 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
cranelift/codegen/src/isa/x64/inst.isle
View File

@@ -1647,6 +1647,10 @@
(rule (x64_movupd from)
(xmm_unary_rm_r (SseOpcode.Movupd) from))
(decl x64_movd (Xmm) Gpr)
(rule (x64_movd from)
(xmm_to_gpr (SseOpcode.Movd) from (OperandSize.Size32)))
(decl x64_movdqu (XmmMem) Xmm)
(rule (x64_movdqu from)
(xmm_unary_rm_r (SseOpcode.Movdqu) from))
@@ -2763,6 +2767,13 @@
(operand_size_of_type_32_64 (lane_type ty))))))
dst))
;; Helper for creating `MInst.XmmToGpr` instructions.
(decl xmm_to_gpr (SseOpcode Xmm OperandSize) Gpr)
(rule (xmm_to_gpr op src size)
(let ((dst WritableGpr (temp_writable_gpr))
(_ Unit (emit (MInst.XmmToGpr op src dst size))))
dst))
;; Helper for creating `MInst.GprToXmm` instructions.
(decl gpr_to_xmm (SseOpcode GprMem OperandSize) Xmm)
(rule (gpr_to_xmm op src size)
@@ -3514,6 +3525,20 @@
(decl atomic_rmw_op_to_mach_atomic_rmw_op (AtomicRmwOp) MachAtomicRmwOp)
(extern constructor atomic_rmw_op_to_mach_atomic_rmw_op atomic_rmw_op_to_mach_atomic_rmw_op)
;;;; Casting ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(decl bitcast_xmm_to_gpr (Type Xmm) Gpr)
(rule (bitcast_xmm_to_gpr $F32 src)
(xmm_to_gpr (SseOpcode.Movd) src (OperandSize.Size32)))
(rule (bitcast_xmm_to_gpr $F64 src)
(xmm_to_gpr (SseOpcode.Movq) src (OperandSize.Size64)))
(decl bitcast_gpr_to_xmm (Type Gpr) Xmm)
(rule (bitcast_gpr_to_xmm $I32 src)
(gpr_to_xmm (SseOpcode.Movd) src (OperandSize.Size32)))
(rule (bitcast_gpr_to_xmm $I64 src)
(gpr_to_xmm (SseOpcode.Movq) src (OperandSize.Size64)))
;;;; Automatic conversions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(convert Gpr InstOutput output_gpr)