diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/combine.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr93908.c | 54 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/pr93908.c | 5 |
5 files changed, 72 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 78191a6b8c3..78a8d94eab9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-02-25 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/93908 + * combine.c (find_split_point): For store into ZERO_EXTRACT, and src + with mask. + 2019-02-25 Eric Botcazou <ebotcazou@adacore.com> * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode. diff --git a/gcc/combine.c b/gcc/combine.c index d44b9c3bf95..58366a6d331 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -5130,10 +5130,9 @@ find_split_point (rtx *loc, rtx_insn *insn, bool set_src) { HOST_WIDE_INT pos = INTVAL (XEXP (SET_DEST (x), 2)); unsigned HOST_WIDE_INT len = INTVAL (XEXP (SET_DEST (x), 1)); - unsigned HOST_WIDE_INT src = INTVAL (SET_SRC (x)); rtx dest = XEXP (SET_DEST (x), 0); - unsigned HOST_WIDE_INT mask - = (HOST_WIDE_INT_1U << len) - 1; + unsigned HOST_WIDE_INT mask = (HOST_WIDE_INT_1U << len) - 1; + unsigned HOST_WIDE_INT src = INTVAL (SET_SRC (x)) & mask; rtx or_mask; if (BITS_BIG_ENDIAN) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3a22e8608df..922ae5c4b7a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2020-02-25 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/93908 + * gcc.c-torture/execute/pr93908.c: New test. + 2019-02-25 Eric Botcazou <ebotcazou@adacore.com> * gnat.dg/lto24.adb: New test. diff --git a/gcc/testsuite/gcc.c-torture/execute/pr93908.c b/gcc/testsuite/gcc.c-torture/execute/pr93908.c new file mode 100644 index 00000000000..cb6e3dda2ea --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr93908.c @@ -0,0 +1,54 @@ +/* PR rtl-optimization/93908 */ + +struct T +{ + int b; + int c; + unsigned short d; + unsigned e:1, f:1, g:1, h:2, i:1, j:1; + signed int k:2; +}; + +struct S +{ + struct T s; + char c[64]; +} buf[2]; + +__attribute__ ((noipa)) void * +baz (void) +{ + static int cnt; + return (void *) &buf[cnt++]; +} + +static inline __attribute__ ((always_inline)) struct T * +bar (const char *a) +{ + struct T *s; + s = baz (); + s->b = 1; + s->k = -1; + return s; +} + +__attribute__ ((noipa)) void +foo (const char *x, struct T **y) +{ + struct T *l = bar (x); + struct T *m = bar (x); + y[0] = l; + y[1] = m; +} + +int +main () +{ + struct T *r[2]; + foo ("foo", r); + if (r[0]->e || r[0]->f || r[0]->g || r[0]->h || r[0]->i || r[0]->j || r[0]->k != -1) + __builtin_abort (); + if (r[1]->e || r[1]->f || r[1]->g || r[1]->h || r[1]->i || r[1]->j || r[1]->k != -1) + __builtin_abort (); + return 0; +} diff --git a/gcc/testsuite/gcc.target/s390/pr93908.c b/gcc/testsuite/gcc.target/s390/pr93908.c new file mode 100644 index 00000000000..e5949050a08 --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/pr93908.c @@ -0,0 +1,5 @@ +/* PR rtl-optimization/93908 */ +/* { dg-do run { target s390_zEC12_hw } } */ +/* { dg-options "-O2 -march=zEC12 -mtune=z13" } */ + +#include "../../gcc.c-torture/execute/pr93908.c" |