89b5fc776d
This adds support for the IBM z/Architecture (s390x-ibm-linux). The status of the s390x backend in its current form is: - Wasmtime is fully functional and passes all tests on s390x. - All back-end features supported, with the exception of SIMD. - There is still a lot of potential for performance improvements. - Currently the only supported processor type is z15.
44 lines
795 B
Plaintext
44 lines
795 B
Plaintext
test compile
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target s390x
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function %f(i8, i64, i64) -> i64 {
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block0(v0: i8, v1: i64, v2: i64):
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v3 = iconst.i8 42
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v4 = icmp eq v0, v3
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v5 = select.i64 v4, v1, v2
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return v5
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}
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; check: llcr %r2, %r2
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; nextln: clfi %r2, 42
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; nextln: locgre %r4, %r3
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; nextln: lgr %r2, %r4
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; nextln: br %r14
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function %g(b1, i8, i8) -> i8 {
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block0(v0: b1, v1: i8, v2: i8):
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v3 = select.i8 v0, v1, v2
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return v3
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}
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; FIXME: optimize i8/i16 compares
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; check: llcr %r2, %r2
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; nextln: chi %r2, 0
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; nextln: locrlh %r4, %r3
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; nextln: lr %r2, %r4
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; nextln: br %r14
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function %i(i32, i8, i8) -> i8 {
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block0(v0: i32, v1: i8, v2: i8):
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v3 = iconst.i32 42
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v4 = icmp.i32 eq v0, v3
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v5 = select.i8 v4, v1, v2
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return v5
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}
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; check: clfi %r2, 42
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; nextln: locre %r4, %r3
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; nextln: lr %r2, %r4
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; nextln: br %r14
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