diff options
Diffstat (limited to 'libguile/vm-engine.c')
-rw-r--r-- | libguile/vm-engine.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/libguile/vm-engine.c b/libguile/vm-engine.c index bf646847c..510563ce4 100644 --- a/libguile/vm-engine.c +++ b/libguile/vm-engine.c @@ -1,4 +1,4 @@ -/* Copyright 2001,2009-2015,2017-2020 +/* Copyright 2001,2009-2015,2017-2021 Free Software Foundation, Inc. This file is part of Guile. @@ -3437,7 +3437,47 @@ VM_NAME (scm_thread *thread) NEXT (1); } - VM_DEFINE_OP (166, unused_166, NULL, NOP) + /* call-scm<-scmn-scmn dst:24 a:32 b:32 idx:32 + * + * Call the SCM-returning instrinsic with index IDX, passing the SCM + * values A and B as arguments. A and B are non-immediates, located + * at a constant offset from the instruction. Place the SCM result in + * DST. + */ + VM_DEFINE_OP (166, call_scm_from_scmn_scmn, "call-scm<-scmn-scmn", DOP4 (X8_S24, N32, N32, C32)) + { + uint32_t dst; + SCM a, b; + scm_t_scm_from_scmn_scmn_intrinsic intrinsic; + + UNPACK_24 (op, dst); + + { + int32_t offset = ip[1]; + uint32_t* loc = ip + offset; + scm_t_bits unpacked = (scm_t_bits) loc; + VM_ASSERT (!(unpacked & 0x7), abort()); + a = SCM_PACK (unpacked); + } + + { + int32_t offset = ip[2]; + uint32_t* loc = ip + offset; + scm_t_bits unpacked = (scm_t_bits) loc; + VM_ASSERT (!(unpacked & 0x7), abort()); + b = SCM_PACK (unpacked); + } + + intrinsic = intrinsics[ip[3]]; + + SYNC_IP (); + SCM res = intrinsic (a, b); + CACHE_SP (); + SP_SET (dst, res); + + NEXT (4); + } + VM_DEFINE_OP (167, unused_167, NULL, NOP) VM_DEFINE_OP (168, unused_168, NULL, NOP) VM_DEFINE_OP (169, unused_169, NULL, NOP) |