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| author | Uros Bizjak <ubizjak@gmail.com> | 2015-05-05 18:53:27 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2015-05-05 18:53:27 +0200 |
| commit | 588823d27715ed5e8603b765820d7d60cb810072 (patch) | |
| tree | 17aa8e3c2ce16fe9f550b6e397b6502635f063d9 /gcc | |
| parent | bd9e8f7e4a07c659959c4c5f2b874c2a292924a1 (diff) | |
| download | gcc-588823d27715ed5e8603b765820d7d60cb810072.zip gcc-588823d27715ed5e8603b765820d7d60cb810072.tar.gz gcc-588823d27715ed5e8603b765820d7d60cb810072.tar.bz2 | |
re PR target/65990 (ICE: in extract_insn, at recog.c:2341 (unrecognizable insn) with -mmemcpy-strategy=rep_8byte:-1:noalign -m32 -mtune=btver2)
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 11 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr65990.c | 29 |
4 files changed, 51 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2fcfad9..0398a84 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index eeef3d4..59db199 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -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")) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index db07b66..bfa797b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -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 diff --git a/gcc/testsuite/gcc.target/i386/pr65990.c b/gcc/testsuite/gcc.target/i386/pr65990.c new file mode 100644 index 0000000..c0e5bb6 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr65990.c @@ -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 + } + }; +} |