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65 Commits

Author SHA1 Message Date
Dmitry Stogov
4e01e7251e Implemented support for veneers on AArch64 2023-06-02 00:49:32 +03:00
Dmitry Stogov
38ee633419 Don't move conditions of IF and GUARDs out of loops 2023-05-30 15:10:23 +03:00
Dmitry Stogov
c9d3804b6e Fixed mistakes in GCM algorithm 2023-05-29 17:02:50 +03:00
Dmitry Stogov
c3fca224ff Introduce IR_OP_FLAG_PINNED and IR_BB_HAS_PHI/PI/PARAM/VAR flags 2023-05-05 16:59:22 +03:00
Dmitry Stogov
76f44fa126 Implemented path-exploration based live ranges construction 
The algorithm is based on "Computing Liveness Sets for SSA-Form Programs",
Florian Brandner, Benoit Boissinot, Alain Darte, Benoit Dupont de Dinechin,
Fabrice Rastello. TR Inria RR-7503, 2011

In comparison to the existing bitset based approach, the new algorithm
is more memory-space efficient and faster on big functions.
 2023-05-05 02:01:53 +03:00
Dmitry Stogov
c2470bc684 Disable LICM across an OSR ENTRY if the value can't be restored at OSR ENTRY point (support for nested loops) 2023-04-25 21:54:30 +03:00
Dmitry Stogov
1749168078 Add ir_insn_len() and ir_insn_inputs_to_len() private helpers 2023-04-21 13:40:55 +03:00
Dmitry Stogov
e01c43a967 Simplify access to nodes with variable inputs count 2023-04-21 12:40:17 +03:00
Dmitry Stogov
56b0dbccde Use ir_ctx.mflags for CPU specific code-generation options 
'mflags' and ir_cpuinfo() return value have the same meaning.
 2023-04-18 09:54:35 +03:00
Dmitry Stogov
d71cbd47d5 Disable LICM across an OSR ENTRY if the value can't be restored at OSR ENTRY point 2023-04-07 16:36:27 +03:00
Anatol Belski
d0b4f108ee ir_init: Accept flags as an additional arguments 
Signed-off-by: Anatol Belski <ab@php.net>
 2023-03-28 00:00:45 +02:00
Dmitry Stogov
83edc3f8a1 Disable LICM for overflow checking math 2023-03-22 12:07:05 +03:00
Dmitry Stogov
b1f2167ea5 Calculate number of ENTRY blocks during CFG construction to avoid an eaxtra loop for ctx->entries[] gathering at ir_match() 2023-03-22 10:21:56 +03:00
Dmitry Stogov
ba56eb5497 Fix typo 2023-03-21 17:07:21 +03:00
Dmitry Stogov
9b34731d16 Fix most MSVC compilation warnings 2023-02-28 02:11:09 +03:00
Anatol Belski
964f5a0191 build: MSVC compatibility 
Signed-off-by: Anatol Belski <ab@php.net>
 2023-02-25 00:04:57 +01:00
Dmitry Stogov
c71076d3f0 Allow reservation stack for passing arguments 2023-02-17 15:52:26 +03:00
Dmitry Stogov
28a5714a8e Use ANSI symbols 2023-02-17 09:11:38 +03:00
Dmitry Stogov
d07a2db592 Improve GCM to schedule floating nodes that depends only on constants 
(e.g. COPY(CONST)) to the last common ancestor.

Previously these nodes went to the first block.
 2023-02-15 15:18:42 +03:00
Dmitry Stogov
29da69cf25 Fix CASE_VAL scheduling (mark op2 as used constant). 2023-01-18 09:38:18 +03:00
Dmitry Stogov
6a4e239773 Create a sparate pass to remove unreachableble CFG blocks. 
SCCP pass removes unreachable blocks before CFG construction.
In case of -O0 or -O1 pipeline (without SCCP) it's simpler and faster
to unlink unreachable CFG blocks once, then check for reachability
in almost any compilation pass.
-O2 pipeline (with SCCP) don't need this pass.
 2022-11-29 20:02:07 +03:00
Dmitry Stogov
3f40e70ac9 Don't delay moving up 2022-11-24 17:05:56 +03:00
Dmitry Stogov
a137adfdf9 Separate ir_build_prev_refs(). It's necessary only for -O0 pipeline. 2022-11-24 12:55:16 +03:00
Dmitry Stogov
7fd1ccf48b Eliminte useless checks 2022-11-24 12:23:05 +03:00
Dmitry Stogov
6f8012756e Reuse ir_ctx.prev_ref if the schedule wasn't changed 2022-11-23 16:30:29 +03:00
Dmitry Stogov
b94f907907 Create ir_ctx.orev_ref[] array in ir_schedule() 2022-11-23 16:15:05 +03:00
Dmitry Stogov
c5220fdf8d evisit and improve ir_schedule() 2022-11-23 10:22:37 +03:00
Dmitry Stogov
93172a487d Add special case for functions with single Basic Block 2022-11-11 17:43:44 +03:00
Dmitry Stogov
406b08030d Revisit and optimize GCM implementation 
Use two different queues to schedule early and late
 2022-11-11 16:17:56 +03:00
Dmitry Stogov
27fe71c344 Improve CFG builder and reuse ctx->cfg_map for GCM 2022-11-10 22:45:12 +03:00
Dmitry Stogov
3535fd2fc4 Fix compilation warnings and signed/unsigned mess 2022-11-08 23:09:35 +03:00
Dmitry Stogov
cc73788981 Fix compilation warnings 2022-11-08 18:17:29 +03:00
Dmitry Stogov
cc56f12f13 Add LICENSE and copyright notices 2022-11-08 11:32:46 +03:00
Dmitry Stogov
ecb9719e8b Fix "long" PHI handling 2022-10-12 14:01:56 +03:00
Dmitry Stogov
c74cac2556 Fix support for "long" PHIs 2022-10-12 11:59:49 +03:00
Dmitry Stogov
23caf1e0d1 Fix incorrect starting operand number 2022-09-20 10:38:59 +03:00
Dmitry Stogov
367e47ac30 Support for preallocated stack (ZEND_VM_HYBRID_JIT_RED_ZONE_SIZE in PHP VM) 2022-09-15 15:39:15 +03:00
Dmitry Stogov
ad59556d85 Add support for binding IR nodes to "external" spill slots (e.g. PHP VM stack slots) 2022-09-15 15:26:43 +03:00
Dmitry Stogov
a80fac2cab Add assertion if there are no common antecessor 
(this is possible for code with multiple EMTRY-es)
 2022-09-14 17:30:11 +03:00
Dmitry Stogov
11db21a98c Allow SCCP to grow use_lists (through reallocation) 2022-09-14 15:14:18 +03:00
Dmitry Stogov
443ca46958 Fix GCM. 
PHI nodes must be pinned together with CONTROL nodes, before any other DATA nodes.
 2022-09-07 17:14:22 +03:00
Dmitry Stogov
76028e8855 Fix compilation warnings 2022-09-05 22:43:27 +03:00
Dmitry Stogov
e0e5838a4b GCM optimization 2022-09-05 21:26:27 +03:00
Dmitry Stogov
d29a51a979 Remove unused "flags" 2022-09-01 13:04:54 +03:00
Dmitry Stogov
dd271af057 Speedup local scheduling by loop unrolling 2022-09-01 12:48:10 +03:00
Dmitry Stogov
6329e48b28 Use malloc() instead of calloc() 2022-08-11 19:56:42 +03:00
Dmitry Stogov
0637bae796 Avoid useless reallocation 2022-08-11 15:53:47 +03:00
Dmitry Stogov
36a5bdaf43 Improve support for fixed prologue/epilogue 2022-08-11 13:32:44 +03:00
Dmitry Stogov
cb4ae29a1b Optimize ir_schedule() 2022-08-10 23:40:48 +03:00
Dmitry Stogov
7f50fe93b1 Fix incorrect sheduling 2022-08-09 13:06:57 +03:00