diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/arm/arm.h | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr82975.c | 19 |
4 files changed, 33 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 31277b9..76dbd69 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,10 @@ -2017-12-18 Jakub Jelinek <jakub@redhat.com> +2017-12-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/82975 + * config/arm/arm.h (TEST_REGNO): Check reg_renumber is set before + accessing it. Adjust comment. + +2017-12-19 Jakub Jelinek <jakub@redhat.com> PR middle-end/81914 * predict.c (zero_one_minusone): New function. diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h index ac51412..a482f03 100644 --- a/gcc/config/arm/arm.h +++ b/gcc/config/arm/arm.h @@ -1620,7 +1620,8 @@ enum arm_auto_incmodes has been allocated, which happens in reginfo.c during register allocation. */ #define TEST_REGNO(R, TEST, VALUE) \ - ((R TEST VALUE) || ((unsigned) reg_renumber[R] TEST VALUE)) + ((R TEST VALUE) \ + || (reg_renumber && ((unsigned) reg_renumber[R] TEST VALUE))) /* Don't allow the pc to be used. */ #define ARM_REGNO_OK_FOR_BASE_P(REGNO) \ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 200a813..e0eb513 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-12-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/82975 + * gcc.dg/pr82975.c: New test. + 2017-12-19 Marek Polacek <polacek@redhat.com> PR c++/83489 diff --git a/gcc/testsuite/gcc.dg/pr82975.c b/gcc/testsuite/gcc.dg/pr82975.c new file mode 100644 index 0000000..e6c13bc --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr82975.c @@ -0,0 +1,19 @@ +/* PR target/82975. */ +/* { dg-do compile } */ +/* { dg-options "-mtune=cortex-a57 -fno-sched-pressure -O2" } */ + +typedef __SIZE_TYPE__ size_t; + +struct S1 +{ + char pad1; + char val; + short pad2; +}; + +extern char t[256]; + +void foo (struct S1 a, size_t i) +{ + t[i] = a.val; +} |