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| author | Uros Bizjak <ubizjak@gmail.com> | 2019-03-28 20:15:58 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2019-03-28 20:15:58 +0100 |
| commit | 198c27e98311d1d3561f154e75a9df23bff8bacf (patch) | |
| tree | 383850496eebe73146dbe797d5192c6563cfadae /gcc | |
| parent | c91b27155288e9869fc8345c689f7f6b90b0ee7e (diff) | |
| download | gcc-198c27e98311d1d3561f154e75a9df23bff8bacf.zip gcc-198c27e98311d1d3561f154e75a9df23bff8bacf.tar.gz gcc-198c27e98311d1d3561f154e75a9df23bff8bacf.tar.bz2 | |
re PR target/89848 (ICE: in convert_op, at config/i386/i386.c:2099 with -O2 -msse2 -mtune=pentium3m)
PR target/89848
* config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
Also process XEXP (src, 0) of a shift insn.
testsuite/ChangeLog:
PR target/89848
* gcc.target/i386/pr89848.c: New test.
From-SVN: r270003
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr89848.c | 11 |
4 files changed, 26 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 741639d..2ce4215 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-03-28 Uroš Bizjak <ubizjak@gmail.com> + + PR target/89848 + * config/i386/i386.c (dimode_scalar_chain::make_vector_copies): + Also process XEXP (src, 0) of a shift insn. + 2019-03-28 David Malcolm <dmalcolm@redhat.com> PR middle-end/89725 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index c695fcd..6926085 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1901,7 +1901,10 @@ dimode_scalar_chain::make_vector_copies (unsigned regno) || GET_CODE (src) == LSHIFTRT) && !CONST_INT_P (XEXP (src, 1)) && reg_or_subregno (XEXP (src, 1)) == regno) - XEXP (src, 1) = vreg; + { + XEXP (src, 0) = replace_with_subreg (XEXP (src, 0), reg, reg); + XEXP (src, 1) = vreg; + } } else replace_with_subreg_in_insn (insn, reg, vreg); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0210cd7..cf9ed5c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-03-28 Uroš Bizjak <ubizjak@gmail.com> + + PR target/89848 + * gcc.target/i386/pr89848.c: New test. + 2019-03-28 Marek Polacek <polacek@redhat.com> PR c++/89836 - bool constant expression and explicit conversions. diff --git a/gcc/testsuite/gcc.target/i386/pr89848.c b/gcc/testsuite/gcc.target/i386/pr89848.c new file mode 100644 index 0000000..eb67d0d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr89848.c @@ -0,0 +1,11 @@ +/* PR target/89848 */ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-O2 -msse2 -mtune=pentium3m" } */ + +long long +foo (long long x) +{ + x >>= 3; + x <<= x; + return x; +} |