[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[dotgnu-pnet-commits] [SCM] DotGNU Portable.NET Just In Time compiler (l
|
From: |
Gopal.V |
|
Subject: |
[dotgnu-pnet-commits] [SCM] DotGNU Portable.NET Just In Time compiler (libjit) branch, master, updated. c9c58ca88ad72da872b5208040d7372bc71b1cb9 |
|
Date: |
Thu, 08 Oct 2009 18:59:46 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "DotGNU Portable.NET Just In Time compiler (libjit)".
The branch, master has been updated
via c9c58ca88ad72da872b5208040d7372bc71b1cb9 (commit)
from 0a512831afa28227d43006734c12d6f4e1753764 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/libjit.git/commit/?id=c9c58ca88ad72da872b5208040d7372bc71b1cb9
commit c9c58ca88ad72da872b5208040d7372bc71b1cb9
Author: Gopal V <address@hidden>
Date: Fri Oct 9 00:29:38 2009 +0530
remove the premature optimization of compare & branch operations
diff --git a/jit/jit-insn.c b/jit/jit-insn.c
index 0dcda9a..ddfcaaf 100644
--- a/jit/jit-insn.c
+++ b/jit/jit-insn.c
@@ -3549,18 +3549,12 @@ int jit_insn_branch(jit_function_t func, jit_label_t
*label)
* @deftypefun int jit_insn_branch_if (jit_function_t @var{func}, jit_value_t
@var{value}, jit_label_t address@hidden)
* Terminate the current block by branching to a specific label if
* the specified value is non-zero. Returns zero if out of memory.
- *
- * If @var{value} refers to a conditional expression that was created
- * by @code{jit_insn_eq}, @code{jit_insn_ne}, etc, then the conditional
- * expression will be replaced by an appropriate conditional branch
- * instruction.
* @end deftypefun
@*/
int jit_insn_branch_if
(jit_function_t func, jit_value_t value, jit_label_t *label)
{
jit_insn_t insn;
- jit_block_t block;
jit_type_t type;
int opcode;
jit_value_t value2;
@@ -3603,80 +3597,6 @@ int jit_insn_branch_if
}
}
- /* Determine if we can replace a previous comparison instruction */
- block = func->builder->current_block;
- insn = _jit_block_get_last(block);
- if(value->is_temporary && insn && insn->dest == value)
- {
- opcode = insn->opcode;
- if(opcode >= JIT_OP_IEQ && opcode <= JIT_OP_NFGE_INV)
- {
- switch(opcode)
- {
- case JIT_OP_IEQ: opcode =
JIT_OP_BR_IEQ; break;
- case JIT_OP_INE: opcode =
JIT_OP_BR_INE; break;
- case JIT_OP_ILT: opcode =
JIT_OP_BR_ILT; break;
- case JIT_OP_ILT_UN: opcode =
JIT_OP_BR_ILT_UN; break;
- case JIT_OP_ILE: opcode =
JIT_OP_BR_ILE; break;
- case JIT_OP_ILE_UN: opcode =
JIT_OP_BR_ILE_UN; break;
- case JIT_OP_IGT: opcode =
JIT_OP_BR_IGT; break;
- case JIT_OP_IGT_UN: opcode =
JIT_OP_BR_IGT_UN; break;
- case JIT_OP_IGE: opcode =
JIT_OP_BR_IGE; break;
- case JIT_OP_IGE_UN: opcode =
JIT_OP_BR_IGE_UN; break;
- case JIT_OP_LEQ: opcode =
JIT_OP_BR_LEQ; break;
- case JIT_OP_LNE: opcode =
JIT_OP_BR_LNE; break;
- case JIT_OP_LLT: opcode =
JIT_OP_BR_LLT; break;
- case JIT_OP_LLT_UN: opcode =
JIT_OP_BR_LLT_UN; break;
- case JIT_OP_LLE: opcode =
JIT_OP_BR_LLE; break;
- case JIT_OP_LLE_UN: opcode =
JIT_OP_BR_LLE_UN; break;
- case JIT_OP_LGT: opcode =
JIT_OP_BR_LGT; break;
- case JIT_OP_LGT_UN: opcode =
JIT_OP_BR_LGT_UN; break;
- case JIT_OP_LGE: opcode =
JIT_OP_BR_LGE; break;
- case JIT_OP_LGE_UN: opcode =
JIT_OP_BR_LGE_UN; break;
- case JIT_OP_FEQ: opcode =
JIT_OP_BR_FEQ; break;
- case JIT_OP_FNE: opcode =
JIT_OP_BR_FNE; break;
- case JIT_OP_FLT: opcode =
JIT_OP_BR_FLT; break;
- case JIT_OP_FLE: opcode =
JIT_OP_BR_FLE; break;
- case JIT_OP_FGT: opcode =
JIT_OP_BR_FGT; break;
- case JIT_OP_FGE: opcode =
JIT_OP_BR_FGE; break;
- case JIT_OP_FEQ_INV: opcode =
JIT_OP_BR_FEQ_INV; break;
- case JIT_OP_FNE_INV: opcode =
JIT_OP_BR_FNE_INV; break;
- case JIT_OP_FLT_INV: opcode =
JIT_OP_BR_FLT_INV; break;
- case JIT_OP_FLE_INV: opcode =
JIT_OP_BR_FLE_INV; break;
- case JIT_OP_FGT_INV: opcode =
JIT_OP_BR_FGT_INV; break;
- case JIT_OP_FGE_INV: opcode =
JIT_OP_BR_FGE_INV; break;
- case JIT_OP_DEQ: opcode =
JIT_OP_BR_DEQ; break;
- case JIT_OP_DNE: opcode =
JIT_OP_BR_DNE; break;
- case JIT_OP_DLT: opcode =
JIT_OP_BR_DLT; break;
- case JIT_OP_DLE: opcode =
JIT_OP_BR_DLE; break;
- case JIT_OP_DGT: opcode =
JIT_OP_BR_DGT; break;
- case JIT_OP_DGE: opcode =
JIT_OP_BR_DGE; break;
- case JIT_OP_DEQ_INV: opcode =
JIT_OP_BR_DEQ_INV; break;
- case JIT_OP_DNE_INV: opcode =
JIT_OP_BR_DNE_INV; break;
- case JIT_OP_DLT_INV: opcode =
JIT_OP_BR_DLT_INV; break;
- case JIT_OP_DLE_INV: opcode =
JIT_OP_BR_DLE_INV; break;
- case JIT_OP_DGT_INV: opcode =
JIT_OP_BR_DGT_INV; break;
- case JIT_OP_DGE_INV: opcode =
JIT_OP_BR_DGE_INV; break;
- case JIT_OP_NFEQ: opcode =
JIT_OP_BR_NFEQ; break;
- case JIT_OP_NFNE: opcode =
JIT_OP_BR_NFNE; break;
- case JIT_OP_NFLT: opcode =
JIT_OP_BR_NFLT; break;
- case JIT_OP_NFLE: opcode =
JIT_OP_BR_NFLE; break;
- case JIT_OP_NFGT: opcode =
JIT_OP_BR_NFGT; break;
- case JIT_OP_NFGE: opcode =
JIT_OP_BR_NFGE; break;
- case JIT_OP_NFEQ_INV: opcode =
JIT_OP_BR_NFEQ_INV; break;
- case JIT_OP_NFNE_INV: opcode =
JIT_OP_BR_NFNE_INV; break;
- case JIT_OP_NFLT_INV: opcode =
JIT_OP_BR_NFLT_INV; break;
- case JIT_OP_NFLE_INV: opcode =
JIT_OP_BR_NFLE_INV; break;
- case JIT_OP_NFGT_INV: opcode =
JIT_OP_BR_NFGT_INV; break;
- case JIT_OP_NFGE_INV: opcode =
JIT_OP_BR_NFGE_INV; break;
- }
- insn->opcode = (short)opcode;
- insn->flags = JIT_INSN_DEST_IS_LABEL;
- insn->dest = (jit_value_t)(*label);
- goto add_block;
- }
- }
-
/* Coerce the result to something comparable and determine the opcode */
type = jit_type_promote_int(jit_type_normalize(value->type));
if(type == jit_type_int || type == jit_type_uint)
@@ -3740,7 +3660,6 @@ int jit_insn_branch_if
insn->value1 = value;
insn->value2 = value2;
-add_block:
/* Add a new block for the fall-through case */
return jit_insn_new_block(func);
}
@@ -3749,18 +3668,12 @@ add_block:
* @deftypefun int jit_insn_branch_if_not (jit_function_t @var{func},
jit_value_t @var{value}, jit_label_t address@hidden)
* Terminate the current block by branching to a specific label if
* the specified value is zero. Returns zero if out of memory.
- *
- * If @var{value} refers to a conditional expression that was created
- * by @code{jit_insn_eq}, @code{jit_insn_ne}, etc, then the conditional
- * expression will be replaced by an appropriate conditional branch
- * instruction.
* @end deftypefun
@*/
int jit_insn_branch_if_not
(jit_function_t func, jit_value_t value, jit_label_t *label)
{
jit_insn_t insn;
- jit_block_t block;
jit_type_t type;
int opcode;
jit_value_t value2;
@@ -3803,80 +3716,6 @@ int jit_insn_branch_if_not
}
}
- /* Determine if we can replace a previous comparison instruction */
- block = func->builder->current_block;
- insn = _jit_block_get_last(block);
- if(value->is_temporary && insn && insn->dest == value)
- {
- opcode = insn->opcode;
- if(opcode >= JIT_OP_IEQ && opcode <= JIT_OP_NFGE_INV)
- {
- switch(opcode)
- {
- case JIT_OP_IEQ: opcode =
JIT_OP_BR_INE; break;
- case JIT_OP_INE: opcode =
JIT_OP_BR_IEQ; break;
- case JIT_OP_ILT: opcode =
JIT_OP_BR_IGE; break;
- case JIT_OP_ILT_UN: opcode =
JIT_OP_BR_IGE_UN; break;
- case JIT_OP_ILE: opcode =
JIT_OP_BR_IGT; break;
- case JIT_OP_ILE_UN: opcode =
JIT_OP_BR_IGT_UN; break;
- case JIT_OP_IGT: opcode =
JIT_OP_BR_ILE; break;
- case JIT_OP_IGT_UN: opcode =
JIT_OP_BR_ILE_UN; break;
- case JIT_OP_IGE: opcode =
JIT_OP_BR_ILT; break;
- case JIT_OP_IGE_UN: opcode =
JIT_OP_BR_ILT_UN; break;
- case JIT_OP_LEQ: opcode =
JIT_OP_BR_LNE; break;
- case JIT_OP_LNE: opcode =
JIT_OP_BR_LEQ; break;
- case JIT_OP_LLT: opcode =
JIT_OP_BR_LGE; break;
- case JIT_OP_LLT_UN: opcode =
JIT_OP_BR_LGE_UN; break;
- case JIT_OP_LLE: opcode =
JIT_OP_BR_LGT; break;
- case JIT_OP_LLE_UN: opcode =
JIT_OP_BR_LGT_UN; break;
- case JIT_OP_LGT: opcode =
JIT_OP_BR_LLE; break;
- case JIT_OP_LGT_UN: opcode =
JIT_OP_BR_LLE_UN; break;
- case JIT_OP_LGE: opcode =
JIT_OP_BR_LLT; break;
- case JIT_OP_LGE_UN: opcode =
JIT_OP_BR_LLT_UN; break;
- case JIT_OP_FEQ: opcode =
JIT_OP_BR_FNE_INV; break;
- case JIT_OP_FNE: opcode =
JIT_OP_BR_FEQ_INV; break;
- case JIT_OP_FLT: opcode =
JIT_OP_BR_FGE_INV; break;
- case JIT_OP_FLE: opcode =
JIT_OP_BR_FGT_INV; break;
- case JIT_OP_FGT: opcode =
JIT_OP_BR_FLE_INV; break;
- case JIT_OP_FGE: opcode =
JIT_OP_BR_FLT_INV; break;
- case JIT_OP_FEQ_INV: opcode = JIT_OP_BR_FNE;
break;
- case JIT_OP_FNE_INV: opcode = JIT_OP_BR_FEQ;
break;
- case JIT_OP_FLT_INV: opcode = JIT_OP_BR_FGE;
break;
- case JIT_OP_FLE_INV: opcode = JIT_OP_BR_FGT;
break;
- case JIT_OP_FGT_INV: opcode = JIT_OP_BR_FLE;
break;
- case JIT_OP_FGE_INV: opcode = JIT_OP_BR_FLT;
break;
- case JIT_OP_DEQ: opcode =
JIT_OP_BR_DNE_INV; break;
- case JIT_OP_DNE: opcode =
JIT_OP_BR_DEQ_INV; break;
- case JIT_OP_DLT: opcode =
JIT_OP_BR_DGE_INV; break;
- case JIT_OP_DLE: opcode =
JIT_OP_BR_DGT_INV; break;
- case JIT_OP_DGT: opcode =
JIT_OP_BR_DLE_INV; break;
- case JIT_OP_DGE: opcode =
JIT_OP_BR_DLT_INV; break;
- case JIT_OP_DEQ_INV: opcode = JIT_OP_BR_DNE;
break;
- case JIT_OP_DNE_INV: opcode = JIT_OP_BR_DEQ;
break;
- case JIT_OP_DLT_INV: opcode = JIT_OP_BR_DGE;
break;
- case JIT_OP_DLE_INV: opcode = JIT_OP_BR_DGT;
break;
- case JIT_OP_DGT_INV: opcode = JIT_OP_BR_DLE;
break;
- case JIT_OP_DGE_INV: opcode = JIT_OP_BR_DLT;
break;
- case JIT_OP_NFEQ: opcode =
JIT_OP_BR_NFNE_INV; break;
- case JIT_OP_NFNE: opcode =
JIT_OP_BR_NFEQ_INV; break;
- case JIT_OP_NFLT: opcode =
JIT_OP_BR_NFGE_INV; break;
- case JIT_OP_NFLE: opcode =
JIT_OP_BR_NFGT_INV; break;
- case JIT_OP_NFGT: opcode =
JIT_OP_BR_NFLE_INV; break;
- case JIT_OP_NFGE: opcode =
JIT_OP_BR_NFLT_INV; break;
- case JIT_OP_NFEQ_INV: opcode =
JIT_OP_BR_NFNE; break;
- case JIT_OP_NFNE_INV: opcode =
JIT_OP_BR_NFEQ; break;
- case JIT_OP_NFLT_INV: opcode =
JIT_OP_BR_NFGE; break;
- case JIT_OP_NFLE_INV: opcode =
JIT_OP_BR_NFGT; break;
- case JIT_OP_NFGT_INV: opcode =
JIT_OP_BR_NFLE; break;
- case JIT_OP_NFGE_INV: opcode =
JIT_OP_BR_NFLT; break;
- }
- insn->opcode = (short)opcode;
- insn->flags = JIT_INSN_DEST_IS_LABEL;
- insn->dest = (jit_value_t)(*label);
- goto add_block;
- }
- }
-
/* Coerce the result to something comparable and determine the opcode */
type = jit_type_promote_int(jit_type_normalize(value->type));
if(type == jit_type_int || type == jit_type_uint)
@@ -3940,7 +3779,6 @@ int jit_insn_branch_if_not
insn->value1 = value;
insn->value2 = value2;
-add_block:
/* Add a new block for the fall-through case */
return jit_insn_new_block(func);
}
-----------------------------------------------------------------------
Summary of changes:
jit/jit-insn.c | 162 --------------------------------------------------------
1 files changed, 0 insertions(+), 162 deletions(-)
hooks/post-receive
--
DotGNU Portable.NET Just In Time compiler (libjit)
| [Prev in Thread] |
Current Thread |
[Next in Thread] |
- [dotgnu-pnet-commits] [SCM] DotGNU Portable.NET Just In Time compiler (libjit) branch, master, updated. c9c58ca88ad72da872b5208040d7372bc71b1cb9,
Gopal.V <=