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x64: Port fdemote and fvdemote to ISLE (#4449)

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https://github.com/bytecodealliance/wasmtime/pull/4449
This commit is contained in:
Trevor Elliott
2022-07-18 14:26:23 -07:00
committed by GitHub
parent 638dc4e0b3
commit b519c975cb
4 changed files with 115 additions and 37 deletions
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14
cranelift/codegen/src/isa/x64/inst.isle
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@@ -2841,6 +2841,13 @@
(_ Unit (emit (MInst.XmmUnaryRmR (SseOpcode.Cvtss2sd) x dst))))
dst))
;; Helper for creating `cvtsd2ss` instructions.
(decl x64_cvtsd2ss (Xmm) Xmm)
(rule (x64_cvtsd2ss x)
(let ((dst WritableXmm (temp_writable_xmm))
(_ Unit (emit (MInst.XmmUnaryRmR (SseOpcode.Cvtsd2ss) x dst))))
dst))
;; Helper for creating `cvtps2pd` instructions.
(decl x64_cvtps2pd (Xmm) Xmm)
(rule (x64_cvtps2pd x)
@@ -2848,6 +2855,13 @@
(_ Unit (emit (MInst.XmmUnaryRmR (SseOpcode.Cvtps2pd) x dst))))
dst))
;; Helper for creating `cvtpd2ps` instructions.
(decl x64_cvtpd2ps (Xmm) Xmm)
(rule (x64_cvtpd2ps x)
(let ((dst WritableXmm (temp_writable_xmm))
(_ Unit (emit (MInst.XmmUnaryRmR (SseOpcode.Cvtpd2ps) x dst))))
dst))
;; Helpers for creating `pcmpeq*` instructions.
(decl x64_pcmpeq (Type Xmm XmmMem) Xmm)
(rule (x64_pcmpeq $I8X16 x y) (x64_pcmpeqb x y))