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| author | Bin Cheng <bin.cheng@arm.com> | 2016-12-07 10:14:58 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2016-12-07 10:14:58 +0000 |
| commit | ebf417348808be4608fd44ba3b2863b735b4324e (patch) | |
| tree | 9cea72e97f3641dd7b37c8e0b7ddbb4091e51a32 | |
| parent | 81a58ffbb7d6dd26bf13a09d293e6082aceda520 (diff) | |
| download | gcc-ebf417348808be4608fd44ba3b2863b735b4324e.zip gcc-ebf417348808be4608fd44ba3b2863b735b4324e.tar.gz gcc-ebf417348808be4608fd44ba3b2863b735b4324e.tar.bz2 | |
re PR middle-end/78691 (ICE compiling Linux boot code)
PR tree-optimization/78691
* match.pd ((convert1 (minmax ((convert2 (x) c)))) -> minmax (x c)):
Require integral type for the outer expression.
gcc/testsuite
PR tree-optimization/78691
* gcc.target/i386/pr78691-i386.c: New test.
* gcc.target/powerpc/pr78691-ppc.c: New test.
From-SVN: r243335
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/match.pd | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr78691-i386.c | 14 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr78691-ppc.c | 18 |
5 files changed, 46 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c1c148a..4f76570 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-12-07 Bin Cheng <bin.cheng@arm.com> + + PR tree-optimization/78691 + * match.pd ((convert1 (minmax ((convert2 (x) c)))) -> minmax (x c)): + Require integral type for the outer expression. + 2016-12-07 Naveen H.S <Naveen.Hurugalawadi@cavium.com> * config/aarch64/aarch64.c diff --git a/gcc/match.pd b/gcc/match.pd index 1fe003b..feaa4a1 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -1378,7 +1378,8 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) (for minmax (min max) (simplify (convert (minmax@0 (convert @1) INTEGER_CST@2)) - (if (types_match (@1, type) && int_fits_type_p (@2, type) + (if (INTEGRAL_TYPE_P (type) + && types_match (@1, type) && int_fits_type_p (@2, type) && TYPE_SIGN (TREE_TYPE (@0)) == TYPE_SIGN (type) && TYPE_PRECISION (TREE_TYPE (@0)) > TYPE_PRECISION (type)) (minmax @1 (convert @2))))) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2b9aad0..eeeae2e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2016-12-07 Bin Cheng <bin.cheng@arm.com> + + PR tree-optimization/78691 + * gcc.target/i386/pr78691-i386.c: New test. + * gcc.target/powerpc/pr78691-ppc.c: New test. + 2016-12-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * gcc.target/i386/pr70322-1.c: Add -mno-stackrealign to dg-options. diff --git a/gcc/testsuite/gcc.target/i386/pr78691-i386.c b/gcc/testsuite/gcc.target/i386/pr78691-i386.c new file mode 100644 index 0000000..f4b8855 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr78691-i386.c @@ -0,0 +1,14 @@ +/* PR tree-optimization/78691 */ +/* { dg-options "-Os -m16" } */ + +int fn1(char *p1, char *p2) { + int a; + for (;;) + switch (*p2) { + case 'c': + while (--a > 0) + *p1++ = ' '; + p1++; + a--; + } +} diff --git a/gcc/testsuite/gcc.target/powerpc/pr78691-ppc.c b/gcc/testsuite/gcc.target/powerpc/pr78691-ppc.c new file mode 100644 index 0000000..73e3c87 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr78691-ppc.c @@ -0,0 +1,18 @@ +/* PR tree-optimization/78691 */ +/* { dg-options "-Os -m32" } */ + +int *b; +int fn1() { + char *c; + int a; + for (;;) + switch (*b) { + case 'c': + while (--a > 0) + *c++ = ' '; + c++; + if (a) + a = sizeof(void *); + } +} + |