diff options
| author | Samuel Williams <samuel.williams@oriontransfer.co.nz> | 2019-06-06 11:04:24 +1200 |
|---|---|---|
| committer | Samuel Williams <samuel.williams@oriontransfer.co.nz> | 2019-06-19 20:39:10 +1200 |
| commit | 561c9bcf3a1ce33e51c2c03e88aa3103d42f5af9 (patch) | |
| tree | a7e903a1d0f7b614e0aab9e4d06face0d4c1345a /thread.c | |
| parent | 7cc7269b3d3e3aff518a6cd05971422351253957 (diff) | |
Make sure `alloca` fast path is used (inline assembler).
Diffstat (limited to 'thread.c')
| -rw-r--r-- | thread.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -77,6 +77,11 @@ #include "mjit.h" #include "hrtime.h" +#ifdef __linux__ +// Normally, gcc(1) translates calls to alloca() with inlined code. This is not done when either the -ansi, -std=c89, -std=c99, or the -std=c11 option is given and the header <alloca.h> is not included. +#include <alloca.h> +#endif + #ifndef USE_NATIVE_THREAD_PRIORITY #define USE_NATIVE_THREAD_PRIORITY 0 #define RUBY_THREAD_PRIORITY_MAX 3 @@ -714,8 +719,8 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start, VALUE *register_stack_s rb_thread_list_t *join_list; rb_thread_t *main_th; VALUE errinfo = Qnil; - VALUE * vm_stack = NULL; size_t size = th->vm->default_params.thread_vm_stack_size / sizeof(VALUE); + VALUE * vm_stack = NULL; if (th == th->vm->main_thread) { rb_bug("thread_start_func_2 must not be used for main thread"); @@ -723,7 +728,6 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start, VALUE *register_stack_s vm_stack = alloca(size * sizeof(VALUE)); rb_ec_set_vm_stack(th->ec, vm_stack, size); - th->ec->cfp = (void *)(th->ec->vm_stack + th->ec->vm_stack_size); rb_vm_push_frame(th->ec, |