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authorAndy Wingo <wingo@pobox.com>2019-08-24 11:37:17 +0200
committerAndy Wingo <wingo@pobox.com>2019-08-24 11:56:18 +0200
commitb1564df298dbdd261e880837c89f04d3d82879ea (patch)
treea614f15de77aef414b45d53f824fcc414f2cd8bd /libguile/vm-engine.c
parent9e3a5c9a10d4202dabab0c93fb75d7e07201bb24 (diff)
downloadguile-b1564df298dbdd261e880837c89f04d3d82879ea.tar.gz
Unbox floor/ceiling and trigonometric functions where possible
* 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.
Diffstat (limited to 'libguile/vm-engine.c')
-rw-r--r--libguile/vm-engine.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/libguile/vm-engine.c b/libguile/vm-engine.c
index ab34d42b9..0c2c8e7bf 100644
--- a/libguile/vm-engine.c
+++ b/libguile/vm-engine.c
@@ -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)