OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR target/78967 (inserts are not effective) 

target/78967
	* config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
	(*insvqi_1): New insn pattern.
	(*insvqi_1_mem_rex64): Ditto.
	(*insvqi_2): Ditto.
	(*insvqi_3): Rename from *insvqi.

	(*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

testsuite/ChangeLog:

	PR target/78967
	* gcc.target/i386/pr78967-1.c: New test.
	* gcc.target/i386/pr78967-2.c: Ditto.
	* gcc.target/i386/pr78967-3.c: Ditto.

	* gcc.target/i386/pr78904-2.c: Tighten scan-asm patterns.
	* gcc.target/i386/pr78904-4.c: Ditto.
	* gcc.target/i386/pr78904-6.c: Ditto.

From-SVN: r244006
This commit is contained in:
Uros Bizjak 2017-01-02 23:08:18 +01:00 committed by Uros Bizjak
parent 11627b814e
commit 8b7163c630
9 changed files with 160 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
gcc/ChangeLog
View File

@ -1,3 +1,14 @@
2017-01-02 Uros Bizjak <ubizjak@gmail.com>
PR target/78967
* config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
(*insvqi_1): New insn pattern.
(*insvqi_1_mem_rex64): Ditto.
(*insvqi_2): Ditto.
(*insvqi_3): Rename from *insvqi.
(*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
2017-01-02 Gerald Pfeifer <gerald@pfeifer.com>
* doc/cfg.texi (Edges): Remove reference to Java.

70
gcc/config/i386/i386.md
View File

@ -114,6 +114,7 @@
UNSPEC_STOS
UNSPEC_PEEPSIB
UNSPEC_INSN_FALSE_DEP
UNSPEC_NOREX_MEM
;; For SSE/MMX support:
UNSPEC_FIX_NOTRUNC
@ -2819,7 +2820,8 @@
(subreg:QI
(zero_extract:SI (match_operand 1 "ext_register_operand" "Q")
(const_int 8)
(const_int 8)) 0))]
(const_int 8)) 0))
(unspec [(const_int 0)] UNSPEC_NOREX_MEM)]
"TARGET_64BIT && reload_completed"
"mov{b}\t{%h1, %0|%0, %h1}"
[(set_attr "type" "imov")
@ -2862,11 +2864,13 @@
(set (match_operand:QI 2 "norex_memory_operand") (match_dup 0))]
"TARGET_64BIT
&& peep2_reg_dead_p (2, operands[0])"
[(set (match_dup 2)
(subreg:QI
(zero_extract:SI (match_dup 1)
(const_int 8)
(const_int 8)) 0))])
[(parallel
[(set (match_dup 2)
(subreg:QI
(zero_extract:SI (match_dup 1)
(const_int 8)
(const_int 8)) 0))
(unspec [(const_int 0)] UNSPEC_NOREX_MEM)])])
(define_expand "insv<mode>"
[(set (zero_extract:SWI248 (match_operand:SWI248 0 "register_operand")
@ -2916,7 +2920,59 @@
(set_attr "type" "imov")
(set_attr "mode" "QI")])
(define_insn "*insvqi"
(define_insn "*insvqi_1_mem_rex64"
[(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q")
(const_int 8)
(const_int 8))
(subreg:SI
(match_operand:QI 1 "norex_memory_operand" "Bn") 0))
(unspec [(const_int 0)] UNSPEC_NOREX_MEM)]
"TARGET_64BIT && reload_completed"
"mov{b}\t{%1, %h0|%h0, %1}"
[(set_attr "type" "imov")
(set_attr "mode" "QI")])
(define_insn "*insvqi_1"
[(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q,Q")
(const_int 8)
(const_int 8))
(subreg:SI
(match_operand:QI 1 "general_operand" "QnBc,m") 0))]
""
"mov{b}\t{%1, %h0|%h0, %1}"
[(set_attr "isa" "*,nox64")
(set_attr "type" "imov")
(set_attr "mode" "QI")])
(define_peephole2
[(set (match_operand:QI 0 "register_operand")
(match_operand:QI 1 "norex_memory_operand"))
(set (zero_extract:SI (match_operand 2 "ext_register_operand")
(const_int 8)
(const_int 8))
(subreg:SI (match_dup 0) 0))]
"TARGET_64BIT
&& peep2_reg_dead_p (2, operands[0])"
[(parallel
[(set (zero_extract:SI (match_dup 2)
(const_int 8)
(const_int 8))
(subreg:SI (match_dup 1) 0))
(unspec [(const_int 0)] UNSPEC_NOREX_MEM)])])
(define_insn "*insvqi_2"
[(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q")
(const_int 8)
(const_int 8))
(zero_extract:SI (match_operand 1 "ext_register_operand" "Q")
(const_int 8)
(const_int 8)))]
""
"mov{b}\t{%h1, %h0|%h0, %h1}"
[(set_attr "type" "imov")
(set_attr "mode" "QI")])
(define_insn "*insvqi_3"
[(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q")
(const_int 8)
(const_int 8))

11
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,14 @@
2017-01-02 Uros Bizjak <ubizjak@gmail.com>
PR target/78967
* gcc.target/i386/pr78967-1.c: New test.
* gcc.target/i386/pr78967-2.c: Ditto.
* gcc.target/i386/pr78967-3.c: Ditto.
* gcc.target/i386/pr78904-2.c: Tighten scan-asm patterns.
* gcc.target/i386/pr78904-4.c: Ditto.
* gcc.target/i386/pr78904-6.c: Ditto.
2017-01-01 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/77674

8
gcc/testsuite/gcc.target/i386/pr78904-2.c
View File

@ -18,7 +18,7 @@ struct S1 test_and (struct S1 a)
return a;
}
/* { dg-final { scan-assembler "\[ \t\]andb\[^\n\r]*, %.h" } } */
/* { dg-final { scan-assembler "\[ \t\]andb\[ \t\]+t\[^\n\r]*, %.h" } } */
struct S1 test_or (struct S1 a)
{
@ -27,7 +27,7 @@ struct S1 test_or (struct S1 a)
return a;
}
/* { dg-final { scan-assembler "\[ \t\]orb\[^\n\r]*, %.h" } } */
/* { dg-final { scan-assembler "\[ \t\]orb\[ \t\]+t\[^\n\r]*, %.h" } } */
struct S1 test_xor (struct S1 a)
{
@ -36,7 +36,7 @@ struct S1 test_xor (struct S1 a)
return a;
}
/* { dg-final { scan-assembler "\[ \t\]xorb\[^\n\r]*, %.h" } } */
/* { dg-final { scan-assembler "\[ \t\]xorb\[ \t\]+t\[^\n\r]*, %.h" } } */
struct S1 test_add (struct S1 a)
{
@ -45,4 +45,4 @@ struct S1 test_add (struct S1 a)
return a;
}
/* { dg-final { scan-assembler "\[ \t\]addb\[^\n\r]*, %.h" } } */
/* { dg-final { scan-assembler "\[ \t\]addb\[ \t\]+t\[^\n\r]*, %.h" } } */

2
gcc/testsuite/gcc.target/i386/pr78904-4.c
View File

@ -18,4 +18,4 @@ void foo (struct S1 a, size_t i)
t[i] = a.val;
}
/* { dg-final { scan-assembler "\[ \t\]movb\[\t \]*%.h," } } */
/* { dg-final { scan-assembler "\[ \t\]movb\[\t \]+%.h, t" } } */

2
gcc/testsuite/gcc.target/i386/pr78904-6.c
View File

@ -18,4 +18,4 @@ void foo (struct S1 a, size_t i)
t[i] = a.val;
}
/* { dg-final { scan-assembler "\[ \t\]movb\[\t \]*%.h," } } */
/* { dg-final { scan-assembler "\[ \t\]movb\[\t \]*%.h, t" } } */

21
gcc/testsuite/gcc.target/i386/pr78967-1.c Normal file
View File

@ -0,0 +1,21 @@
/* PR target/78967 */
/* { dg-do compile } */
/* { dg-options "-O2 -masm=att" } */
/* { dg-additional-options "-mregparm=3" { target ia32 } } */
/* { dg-final { scan-assembler-not "movzbl" } } */
struct S1
{
unsigned char pad1;
unsigned char val;
unsigned short pad2;
};
struct S1 foo (struct S1 a, struct S1 b)
{
a.val = b.val;
return a;
}
/* { dg-final { scan-assembler "\[ \t\]movb\[ \t\]+%.h, %.h" } } */

24
gcc/testsuite/gcc.target/i386/pr78967-2.c Normal file
View File

@ -0,0 +1,24 @@
/* PR target/78967 */
/* { dg-do compile } */
/* { dg-options "-O2 -masm=att" } */
/* { dg-final { scan-assembler-not "movzbl" } } */
typedef __SIZE_TYPE__ size_t;
struct S1
{
unsigned char pad1;
unsigned char val;
unsigned short pad2;
};
extern unsigned char t[256];
struct S1 foo (struct S1 a, size_t i)
{
a.val = t[i];
return a;
}
/* { dg-final { scan-assembler "\[ \t\]movb\[ \t\]+t\[^\n\r]*, %.h" } } */

24
gcc/testsuite/gcc.target/i386/pr78967-3.c Normal file
View File

@ -0,0 +1,24 @@
/* PR target/78967 */
/* { dg-do assemble { target { ! ia32 } } } */
/* { dg-options "-O2" } */
typedef __SIZE_TYPE__ size_t;
struct S1
{
unsigned char pad1;
unsigned char val;
unsigned short pad2;
};
extern unsigned char t[256];
struct S1 foo (struct S1 a, size_t i)
{
register size_t _i __asm ("r10") = i;
asm volatile ("" : "+r" (_i));
a.val = t[_i];
return a;
}