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author | Andy Wingo <wingo@pobox.com> | 2015-11-21 10:32:33 +0100 |
---|---|---|
committer | Andy Wingo <wingo@pobox.com> | 2015-12-01 15:42:19 +0100 |
commit | 8bf77f7192dd319cf5391639310abb35b9e627d7 (patch) | |
tree | 7cc17b7847a1de7ec736268eafe2041d96dcd3f8 /libguile/frames.c | |
parent | f34688ad25c8e4cb1ebc97734f255d36518d763f (diff) | |
download | guile-8bf77f7192dd319cf5391639310abb35b9e627d7.tar.gz |
Add support for unboxed s64 values
* libguile/frames.c (enum stack_item_representation):
(scm_to_stack_item_representation):
(scm_frame_local_ref, scm_frame_local_set_x): Support for S64
representations.
* libguile/frames.h (union scm_vm_stack_element): Add signed 64-bit
integer field.
* libguile/vm-engine.c (scm->s64, s64->scm, load-s64): New
instructions.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/cse.scm (compute-equivalent-subexpressions):
* module/language/cps/effects-analysis.scm:
* module/language/cps/slot-allocation.scm (compute-var-representations)
(compute-needs-slot, allocate-slots):
* module/language/cps/utils.scm (compute-constant-values):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
Add support for new primcalls.
* module/language/cps/types.scm (&s64): New type.
(&s64-min, &s64-max, &u64-max): New convenience definitions.
(&range-min, &range-max): Use &s64-min and &u64-max names.
(scm->s64, load-s64, s64->scm): Add support for new primcalls.
* module/system/vm/assembler.scm (emit-scm->s64, emit-s64->scm)
(emit-load-s64): New exports.
* module/system/vm/assembler.scm (write-arities): Support for s64
slots.
* module/system/vm/debug.scm (arity-definitions): Support for s64
slots.
Diffstat (limited to 'libguile/frames.c')
-rw-r--r-- | libguile/frames.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libguile/frames.c b/libguile/frames.c index e70b25212..e1d7cf872 100644 --- a/libguile/frames.c +++ b/libguile/frames.c @@ -242,7 +242,8 @@ enum stack_item_representation { STACK_ITEM_SCM = 0, STACK_ITEM_F64 = 1, - STACK_ITEM_U64 = 2 + STACK_ITEM_U64 = 2, + STACK_ITEM_S64 = 3 }; static enum stack_item_representation @@ -254,6 +255,8 @@ scm_to_stack_item_representation (SCM x, const char *subr, int pos) return STACK_ITEM_F64; if (scm_is_eq (x, scm_from_latin1_symbol ("u64"))) return STACK_ITEM_U64; + if (scm_is_eq (x, scm_from_latin1_symbol ("s64"))) + return STACK_ITEM_S64; scm_wrong_type_arg (subr, pos, x); return 0; /* Not reached. */ @@ -286,6 +289,8 @@ SCM_DEFINE (scm_frame_local_ref, "frame-local-ref", 3, 0, 0, return scm_from_double (item->as_f64); case STACK_ITEM_U64: return scm_from_uint64 (item->as_u64); + case STACK_ITEM_S64: + return scm_from_int64 (item->as_s64); default: abort(); } @@ -326,6 +331,9 @@ SCM_DEFINE (scm_frame_local_set_x, "frame-local-set!", 4, 0, 0, case STACK_ITEM_U64: item->as_u64 = scm_to_uint64 (val); break; + case STACK_ITEM_S64: + item->as_s64 = scm_to_int64 (val); + break; default: abort(); } |