diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2016-07-11 15:13:56 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2016-07-11 08:13:56 -0700 |
| commit | 92fa45b59861c0fc83ecece2b46c4bbb441c03c4 (patch) | |
| tree | 9ad245d068d8cf1e90dbc6e05ec25b4ff6c60b21 | |
| parent | 25b75a48d2a2d0a4d65708da7402f238a10da115 (diff) | |
| download | gcc-92fa45b59861c0fc83ecece2b46c4bbb441c03c4.zip gcc-92fa45b59861c0fc83ecece2b46c4bbb441c03c4.tar.gz gcc-92fa45b59861c0fc83ecece2b46c4bbb441c03c4.tar.bz2 | |
Don't convert TImode in debug insn
When converting V1TImode register in debug insn, check if it has been
converted to TImode already.
gcc/
PR target/71801
* config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
Don't convert TImode in debug insn.
gcc/testsuite/
PR target/71801
* gcc.target/i386/pr71801.c: New test.
From-SVN: r238211
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr71801.c | 22 |
4 files changed, 36 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8ddd878..40e34dd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-07-11 H.J. Lu <hongjiu.lu@intel.com> + + PR target/71801 + * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses): + Don't convert TImode in debug insn. + 2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de> Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9eaf414..d190bef 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -3814,6 +3814,9 @@ timode_scalar_chain::fix_debug_reg_uses (rtx reg) continue; gcc_assert (GET_CODE (val) == VAR_LOCATION); rtx loc = PAT_VAR_LOCATION_LOC (val); + /* It may have been converted to TImode already. */ + if (GET_MODE (loc) == TImode) + continue; gcc_assert (REG_P (loc) && GET_MODE (loc) == V1TImode); /* Convert V1TImode register, which has been updated by a SET diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1d9dc5b..4bfbba5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-07-11 H.J. Lu <hongjiu.lu@intel.com> + + PR target/71801 + * gcc.target/i386/pr71801.c: New test. + 2016-07-11 Richard Biener <rguenther@suse.de> PR tree-optimization/71816 diff --git a/gcc/testsuite/gcc.target/i386/pr71801.c b/gcc/testsuite/gcc.target/i386/pr71801.c new file mode 100644 index 0000000..6c87522 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr71801.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -g" } */ + +struct { + char uuid[16]; +} c; +struct { + int s_uuid[6]; +} a, b; +int bar (void); +static int get_label_uuid(char *p1) { + __builtin_memcpy(p1, a.s_uuid, sizeof(a)); + if (bar()) + __builtin_memcpy(p1, b.s_uuid, sizeof(b)); + return 0; +} +void uuidcache_addentry(char *p1) { __builtin_memcpy(&c, p1, sizeof(c)); } +void uuidcache_init() { + char d[1]; + get_label_uuid(d); + uuidcache_addentry(d); +} |