From 13bccf058972660d7d59e68c08c0278c1554a19b Mon Sep 17 00:00:00 2001 From: Alon Zakai Date: Mon, 11 Sep 2017 10:22:41 -0700 Subject: asm2wasm atomics (#1171) * translate asm.js atomics into wasm atomics * fix wasm-builder atomic load emitting, the alignment is the loaded size, not the output size * don't require code for each node type in vaccuum, for non-mentioned nodes, assume we can't optimize them out * support atomics in hashing, comparing, and copying --- src/ast/ExpressionAnalyzer.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) (limited to 'src/ast/ExpressionAnalyzer.cpp') diff --git a/src/ast/ExpressionAnalyzer.cpp b/src/ast/ExpressionAnalyzer.cpp index 421206706..b8e2ae34c 100644 --- a/src/ast/ExpressionAnalyzer.cpp +++ b/src/ast/ExpressionAnalyzer.cpp @@ -223,6 +223,34 @@ bool ExpressionAnalyzer::flexibleEqual(Expression* left, Expression* right, Expr PUSH(Store, value); break; } + case Expression::Id::AtomicCmpxchgId: { + CHECK(AtomicCmpxchg, bytes); + CHECK(AtomicCmpxchg, offset); + PUSH(AtomicCmpxchg, ptr); + PUSH(AtomicCmpxchg, expected); + PUSH(AtomicCmpxchg, replacement); + break; + } + case Expression::Id::AtomicRMWId: { + CHECK(AtomicRMW, op); + CHECK(AtomicRMW, bytes); + CHECK(AtomicRMW, offset); + PUSH(AtomicRMW, ptr); + PUSH(AtomicRMW, value); + break; + } + case Expression::Id::AtomicWaitId: { + CHECK(AtomicWait, expectedType); + PUSH(AtomicWait, ptr); + PUSH(AtomicWait, expected); + PUSH(AtomicWait, timeout); + break; + } + case Expression::Id::AtomicWakeId: { + PUSH(AtomicWake, ptr); + PUSH(AtomicWake, wakeCount); + break; + } case Expression::Id::ConstId: { CHECK(Const, value); break; @@ -440,6 +468,34 @@ uint32_t ExpressionAnalyzer::hash(Expression* curr) { PUSH(Store, value); break; } + case Expression::Id::AtomicCmpxchgId: { + HASH(AtomicCmpxchg, bytes); + HASH(AtomicCmpxchg, offset); + PUSH(AtomicCmpxchg, ptr); + PUSH(AtomicCmpxchg, expected); + PUSH(AtomicCmpxchg, replacement); + break; + } + case Expression::Id::AtomicRMWId: { + HASH(AtomicRMW, op); + HASH(AtomicRMW, bytes); + HASH(AtomicRMW, offset); + PUSH(AtomicRMW, ptr); + PUSH(AtomicRMW, value); + break; + } + case Expression::Id::AtomicWaitId: { + HASH(AtomicWait, expectedType); + PUSH(AtomicWait, ptr); + PUSH(AtomicWait, expected); + PUSH(AtomicWait, timeout); + break; + } + case Expression::Id::AtomicWakeId: { + PUSH(AtomicWake, ptr); + PUSH(AtomicWake, wakeCount); + break; + } case Expression::Id::ConstId: { HASH(Const, value.type); HASH64(Const, value.getBits()); -- cgit v1.2.3