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Provide spec-compliant legalization for SIMD floating point min/max

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This commit is contained in:
Andrew Brown
2020-06-01 15:38:24 -07:00
parent c6b01935ec
commit c9d573d841
6 changed files with 165 additions and 35 deletions
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12
cranelift/codegen/meta/src/isa/x86/encodings.rs
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@@ -1596,8 +1596,6 @@ fn define_simd(
let fdiv = shared.by_name("fdiv");
let fill = shared.by_name("fill");
let fill_nop = shared.by_name("fill_nop");
let fmax = shared.by_name("fmax");
let fmin = shared.by_name("fmin");
let fmul = shared.by_name("fmul");
let fsub = shared.by_name("fsub");
let iadd = shared.by_name("iadd");
@@ -1637,6 +1635,8 @@ fn define_simd(
let vselect = shared.by_name("vselect");
let x86_cvtt2si = x86.by_name("x86_cvtt2si");
let x86_insertps = x86.by_name("x86_insertps");
let x86_fmax = x86.by_name("x86_fmax");
let x86_fmin = x86.by_name("x86_fmin");
let x86_movlhps = x86.by_name("x86_movlhps");
let x86_movsd = x86.by_name("x86_movsd");
let x86_packss = x86.by_name("x86_packss");
@@ -2276,10 +2276,10 @@ fn define_simd(
(F64, fmul, &MULPD[..]),
(F32, fdiv, &DIVPS[..]),
(F64, fdiv, &DIVPD[..]),
(F32, fmin, &MINPS[..]),
(F64, fmin, &MINPD[..]),
(F32, fmax, &MAXPS[..]),
(F64, fmax, &MAXPD[..]),
(F32, x86_fmin, &MINPS[..]),
(F64, x86_fmin, &MINPD[..]),
(F32, x86_fmax, &MAXPS[..]),
(F64, x86_fmax, &MAXPD[..]),
] {
let inst = inst.bind(vector(*ty, sse_vector_size));
e.enc_both_inferred(inst, rec_fa.opcodes(opcodes));

6
cranelift/codegen/meta/src/isa/x86/legalize.rs
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@@ -379,10 +379,12 @@ fn define_simd(
let bnot = insts.by_name("bnot");
let bxor = insts.by_name("bxor");
let extractlane = insts.by_name("extractlane");
let fabs = insts.by_name("fabs");
let fcmp = insts.by_name("fcmp");
let fcvt_from_uint = insts.by_name("fcvt_from_uint");
let fcvt_to_sint_sat = insts.by_name("fcvt_to_sint_sat");
let fabs = insts.by_name("fabs");
let fmax = insts.by_name("fmax");
let fmin = insts.by_name("fmin");
let fneg = insts.by_name("fneg");
let iadd_imm = insts.by_name("iadd_imm");
let icmp = insts.by_name("icmp");
@@ -790,6 +792,8 @@ fn define_simd(
narrow.custom_legalize(ushr, "convert_ushr");
narrow.custom_legalize(ishl, "convert_ishl");
narrow.custom_legalize(fcvt_to_sint_sat, "expand_fcvt_to_sint_sat_vector");
narrow.custom_legalize(fmin, "expand_minmax_vector");
narrow.custom_legalize(fmax, "expand_minmax_vector");
narrow_avx.custom_legalize(imul, "convert_i64x2_imul");
narrow_avx.custom_legalize(fcvt_from_uint, "expand_fcvt_from_uint_vector");