2 commits

Author	SHA1	Message	Date
Andy Wingo	0ce8a9a5e0	Improve handle-interrupts placement ... * module/language/cps/handle-interrupts.scm (compute-safepoints): New function. (add-handle-interrupts): Add safepoints at backedge targets, not backedges. Gives better register allocation, loop rotation, and code size.	2016-12-18 23:05:15 +01:00
Andy Wingo	ca74e3fae5	Add handle-interrupts inst and compiler pass ... * libguile/vm-engine.c (vm_engine): Remove initial VM_HANDLE_INTERRUPTS call; surely our caller already handled interrupts. Add handle-interrupts opcode. * am/bootstrap.am (SOURCES): * module/Makefile.am (SOURCES): Add handle-interrupts.scm. * module/system/vm/assembler.scm (system): * module/language/cps/compile-bytecode.scm (compile-function): (lower-cps): Add handle-interrupts support. * module/language/cps/handle-interrupts.scm: New file.	2016-11-16 22:55:45 +01:00