Changeset 149d297 for src/libcfa/concurrency/CtxSwitch-x86_64.S
- Timestamp:
- Mar 9, 2017, 10:47:08 PM (7 years ago)
- Branches:
- ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc
- Children:
- 68ac32e, a9b657a
- Parents:
- 6152c81 (diff), 7b2c2c5f (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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src/libcfa/concurrency/CtxSwitch-x86_64.S
r6152c81 r149d297 47 47 CtxSwitch: 48 48 49 // Save volatile registers on the stack.49 // Save floating & SSE control words on the stack. 50 50 51 51 subq $8,%rsp 52 52 stmxcsr 0(%rsp) // 4 bytes 53 53 fnstcw 4(%rsp) // 2 bytes 54 55 // Save volatile registers on the stack. 56 54 57 pushq %r15 55 58 pushq %r14 … … 75 78 popq %r14 76 79 popq %r15 80 81 // Load floating & SSE control words from the stack. 82 77 83 fldcw 4(%rsp) 78 84 ldmxcsr 0(%rsp) 79 addq $8,%rsp85 addq $8,%rsp 80 86 81 87 // Return to thread.
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