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x64: Lower fcopysign, ceil, floor, nearest, and trunc in ISLE (#4730)

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https://github.com/bytecodealliance/wasmtime/pull/4730
This commit is contained in:
Trevor Elliott
2022-08-22 13:57:36 -07:00
committed by GitHub
parent bb0b6dafde
commit cee4b209f3
14 changed files with 605 additions and 111 deletions
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94
cranelift/codegen/src/isa/x64/lower.isle
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@@ -3332,3 +3332,97 @@
(rule (lower (has_type $F64 (bitcast src @ (value_type $I64))))
(bitcast_gpr_to_xmm $I64 src))
;; Rules for `fcopysign` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type $F32 (fcopysign a @ (value_type $F32) b)))
(let ((sign_bit Xmm (imm $F32 0x80000000)))
(x64_orps
(x64_andnps sign_bit a)
(x64_andps sign_bit b))))
(rule (lower (has_type $F64 (fcopysign a @ (value_type $F64) b)))
(let ((sign_bit Xmm (imm $F64 0x8000000000000000)))
(x64_orpd
(x64_andnpd sign_bit a)
(x64_andpd sign_bit b))))
;; Rules for `ceil` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type (use_sse41) (ceil a @ (value_type $F32))))
(x64_roundss a (RoundImm.RoundUp)))
(rule (lower (ceil a @ (value_type $F32)))
(libcall_1 (LibCall.CeilF32) a))
(rule (lower (has_type (use_sse41) (ceil a @ (value_type $F64))))
(x64_roundsd a (RoundImm.RoundUp)))
(rule (lower (ceil a @ (value_type $F64)))
(libcall_1 (LibCall.CeilF64) a))
(rule (lower (has_type (use_sse41) (ceil a @ (value_type $F32X4))))
(x64_roundps a (RoundImm.RoundUp)))
(rule (lower (has_type (use_sse41) (ceil a @ (value_type $F64X2))))
(x64_roundpd a (RoundImm.RoundUp)))
;; Rules for `floor` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type (use_sse41) (floor a @ (value_type $F32))))
(x64_roundss a (RoundImm.RoundDown)))
(rule (lower (floor a @ (value_type $F32)))
(libcall_1 (LibCall.FloorF32) a))
(rule (lower (has_type (use_sse41) (floor a @ (value_type $F64))))
(x64_roundsd a (RoundImm.RoundDown)))
(rule (lower (floor a @ (value_type $F64)))
(libcall_1 (LibCall.FloorF64) a))
(rule (lower (has_type (use_sse41) (floor a @ (value_type $F32X4))))
(x64_roundps a (RoundImm.RoundDown)))
(rule (lower (has_type (use_sse41) (floor a @ (value_type $F64X2))))
(x64_roundpd a (RoundImm.RoundDown)))
;; Rules for `nearest` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type (use_sse41) (nearest a @ (value_type $F32))))
(x64_roundss a (RoundImm.RoundNearest)))
(rule (lower (nearest a @ (value_type $F32)))
(libcall_1 (LibCall.NearestF32) a))
(rule (lower (has_type (use_sse41) (nearest a @ (value_type $F64))))
(x64_roundsd a (RoundImm.RoundNearest)))
(rule (lower (nearest a @ (value_type $F64)))
(libcall_1 (LibCall.NearestF64) a))
(rule (lower (has_type (use_sse41) (nearest a @ (value_type $F32X4))))
(x64_roundps a (RoundImm.RoundNearest)))
(rule (lower (has_type (use_sse41) (nearest a @ (value_type $F64X2))))
(x64_roundpd a (RoundImm.RoundNearest)))
;; Rules for `trunc` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type (use_sse41) (trunc a @ (value_type $F32))))
(x64_roundss a (RoundImm.RoundZero)))
(rule (lower (trunc a @ (value_type $F32)))
(libcall_1 (LibCall.TruncF32) a))
(rule (lower (has_type (use_sse41) (trunc a @ (value_type $F64))))
(x64_roundsd a (RoundImm.RoundZero)))
(rule (lower (trunc a @ (value_type $F64)))
(libcall_1 (LibCall.TruncF64) a))
(rule (lower (has_type (use_sse41) (trunc a @ (value_type $F32X4))))
(x64_roundps a (RoundImm.RoundZero)))
(rule (lower (has_type (use_sse41) (trunc a @ (value_type $F64X2))))
(x64_roundpd a (RoundImm.RoundZero)))