diff options
| author | Andy Wingo <wingo@pobox.com> | 2017-10-24 21:12:19 +0200 |
|---|---|---|
| committer | Andy Wingo <wingo@pobox.com> | 2017-10-24 21:12:19 +0200 |
| commit | a7f9c32816f3569a60b088171a9a4313ed0dee70 (patch) | |
| tree | cc044d866d36ef38b1ef5c0291f702dba5ed831c /libguile/vm.h | |
| parent | 808000034e8be08e7fe34dbe5e35e56cf9ed4727 (diff) | |
| download | guile-a7f9c32816f3569a60b088171a9a4313ed0dee70.tar.gz | |
Add new-style test and branch instructions
* libguile/vm-engine.c (UNPACK_16_16): New definition.
(u64=?, u64<?, s64=?, s64<?, f64=?, f64<?, =?, <?, arguments<?)
(positional-arguments<=?, immediate-tag=?, heap-tag=?, eq?): New
comparison instructions.
(j, jl, je, jnl, jne, jge, jnge): New branch instructions.
Diffstat (limited to 'libguile/vm.h')
| -rw-r--r-- | libguile/vm.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libguile/vm.h b/libguile/vm.h index a1cac391f..d9e54309f 100644 --- a/libguile/vm.h +++ b/libguile/vm.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2017 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -35,10 +35,18 @@ enum { #define SCM_VM_DEBUG_ENGINE 1 #define SCM_VM_NUM_ENGINES 2 +enum scm_compare { + SCM_F_COMPARE_NONE = 0x0, + SCM_F_COMPARE_EQUAL = 0x1, + SCM_F_COMPARE_LESS_THAN = 0x2, + SCM_F_COMPARE_INVALID = 0x3 +}; + struct scm_vm { scm_t_uint32 *ip; /* instruction pointer */ union scm_vm_stack_element *sp; /* stack pointer */ union scm_vm_stack_element *fp; /* frame pointer */ + scm_t_uint8 compare_result; /* flags register: a value from scm_compare */ union scm_vm_stack_element *stack_limit; /* stack limit address */ int trace_level; /* traces enabled if trace_level > 0 */ union scm_vm_stack_element *sp_min_since_gc; /* deepest sp since last gc */ |