mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-01-11 06:24:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

re PR target/65990 (ICE: in extract_insn, at recog.c:2341 (unrecognizable insn) with -mmemcpy-strategy=rep_8byte👎noalign -m32 -mtune=btver2)

Browse Source 
PR target/65990
	* config/i386/i386.c (ix86_parse_stringop_strategy_string): Error out
	if rep_8byte stringop strategy was specified for 32-bit target.

testsuite/ChangeLog:

	PR target/65990
	* gcc.target/i386/pr65990.c: New test.

From-SVN: r222817
This commit is contained in:
Uros Bizjak 2015-05-05 18:53:27 +02:00 committed by Uros Bizjak
parent bd9e8f7e4a
commit 588823d277
4 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2015-05-05 Uros Bizjak <ubizjak@gmail.com>
PR target/65990
* config/i386/i386.c (ix86_parse_stringop_strategy_string): Error out
if rep_8byte stringop strategy was specified for 32-bit target.
2015-05-05 Ilya Tocar <ilya.tocar@intel.com>
PR target/65915

11
gcc/config/i386/i386.c
View File

@ -2988,6 +2988,17 @@ ix86_parse_stringop_strategy_string (char *strategy_str, bool is_memset)
return;
}
if ((stringop_alg) i == rep_prefix_8_byte
&& !TARGET_64BIT)
{
/* rep; movq isn't available in 32-bit code. */
error ("stringop strategy name %s specified for option %s "
"not supported for 32-bit code",
alg_name,
is_memset ? "-mmemset_strategy=" : "-mmemcpy_strategy=");
return;
}
input_ranges[n].max = maxs;
input_ranges[n].alg = (stringop_alg) i;
if (!strcmp (align, "align"))

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2015-05-05 Uros Bizjak <ubizjak@gmail.com>
PR target/65990
* gcc.target/i386/pr65990.c: New test.
2015-05-05 Ilya Tocar <ilya.tocar@intel.com>
PR target/65915

29
gcc/testsuite/gcc.target/i386/pr65990.c Normal file
View File

@ -0,0 +1,29 @@
/* { dg-do compile } */
/* { dg-options "-mtune=btver2 -mmemcpy-strategy=rep_8byte:-1:noalign" }
/* { dg-error "stringop strategy name rep_8byte specified for option -mmemcpy_strategy= not supported for 32-bit code" "" { target ia32 } 0 } */
struct U9
{
unsigned a[9];
};
struct U9 u9;
void
foo ()
{
u9 = (struct U9) {
.a = {
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF,
0xFF
}
};
}