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Unbox floor/ceiling and trigonometric functions where possible

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* libguile/intrinsics.c (scm_atan1): New intrinsic, wrapping scm_atan.
  (scm_bootstrap_intrinsics): Add new intrinsics.
* libguile/intrinsics.h (scm_t_f64_from_f64_f64_intrinsic): New
  intrinsic type.
  (SCM_FOR_ALL_VM_INTRINSICS): Add intrinsics for floor, ceiling, sin,
  cos, tan, asin, acos, atan, and their unboxed counterparts.
* libguile/jit.c (sp_f64_operand): New helper.
  (compile_call_f64_from_f64, compile_call_f64_from_f64_f64): Call out
  to intrinsics.
* libguile/vm-engine.c (call-f64<-f64-f64): New opcode.
* module/language/cps/effects-analysis.scm: Add new intrinsics.
* module/language/cps/reify-primitives.scm (compute-known-primitives):
  Add new intrinsics.
* module/language/cps/slot-allocation.scm (compute-var-representations):
  Add 'f64 slot types for the new unboxed intrinsics.
* module/language/cps/specialize-numbers.scm (specialize-operations):
  Support unboxing the new intrinsics.
* module/language/cps/types.scm: Define type inferrers for the new
  intrinsics.
* module/language/tree-il/cps-primitives.scm: Define CPS translations
  for the new intrinsics.
* module/language/tree-il/primitives.scm (*interesting-primitive-names*):
  (*effect-free-primitives*, atan): Define primitive resolvers.
* module/system/vm/assembler.scm: Export assemblers for the new
  intrinsics.
  (define-f64<-f64-f64-intrinsic): New helper.
This commit is contained in:
Andy Wingo 2019-08-24 11:37:17 +02:00
parent 9e3a5c9a10
commit b1564df298
12 changed files with 278 additions and 10 deletions
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20
libguile/vm-engine.c
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@ -3261,7 +3261,25 @@ VM_NAME (scm_thread *thread)
NEXT (2);
}
VM_DEFINE_OP (156, unused_156, NULL, NOP)
/* call-f64<-f64-f64 dst:8 a:8 b:8 IDX:32
*
* Call the double-returning instrinsic with index IDX, passing SCM
* locals A and B as arguments. Place the double result in DST.
*/
VM_DEFINE_OP (156, call_f64_from_f64_f64, "call-f64<-f64-f64", DOP2 (X8_S8_S8_S8, C32))
{
uint8_t dst, a, b;
scm_t_f64_from_f64_f64_intrinsic intrinsic;
UNPACK_8_8_8 (op, dst, a, b);
intrinsic = intrinsics[ip[1]];
/* We assume these instructions can't throw an exception. */
SP_SET_F64 (dst, intrinsic (SP_REF_F64 (a), SP_REF_F64 (b)));
NEXT (2);
}
VM_DEFINE_OP (157, unused_157, NULL, NOP)
VM_DEFINE_OP (158, unused_158, NULL, NOP)
VM_DEFINE_OP (159, unused_159, NULL, NOP)