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| author | Jeff Law <law@redhat.com> | 2017-06-22 11:18:05 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-06-22 11:18:05 -0600 |
| commit | 13f752b27354d0b8f7ff0148973c6b478e6fdd9e (patch) | |
| tree | 841bad594e9fbf349cfea73458cb14f5715fcc10 | |
| parent | 47f68dc2318a708b375768a09ae42833109e0bce (diff) | |
| download | gcc-13f752b27354d0b8f7ff0148973c6b478e6fdd9e.zip gcc-13f752b27354d0b8f7ff0148973c6b478e6fdd9e.tar.gz gcc-13f752b27354d0b8f7ff0148973c6b478e6fdd9e.tar.bz2 | |
aarch64.c (aarch64_emit_probe_stack_range): Handle frame sizes that do not satisfy aarch64_uimm12_shift.
* config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
frame sizes that do not satisfy aarch64_uimm12_shift.
* gcc.c-torture/compile/stack-check-1.c: New test.
From-SVN: r249566
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 18 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/stack-check-1.c | 2 |
4 files changed, 24 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0a3426e..03a824f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-06-22 Jeff Law <law@redhat.com> + + * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle + frame sizes that do not satisfy aarch64_uimm12_shift. + 2017-06-22 Jan Hubicka <hubicka@ucw.cz> * profile-count.h (apply_probability, diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 3364a02..95592f9 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -2766,11 +2766,19 @@ aarch64_emit_probe_stack_range (HOST_WIDE_INT first, HOST_WIDE_INT size) plus_constant (Pmode, stack_pointer_rtx, -first)); /* LAST_ADDR = SP + FIRST + ROUNDED_SIZE. */ - emit_set_insn (reg2, - plus_constant (Pmode, stack_pointer_rtx, - -(first + rounded_size))); - - + HOST_WIDE_INT adjustment = - (first + rounded_size); + if (! aarch64_uimm12_shift (adjustment)) + { + aarch64_internal_mov_immediate (reg2, GEN_INT (adjustment), + true, Pmode); + emit_set_insn (reg2, gen_rtx_PLUS (Pmode, stack_pointer_rtx, reg2)); + } + else + { + emit_set_insn (reg2, + plus_constant (Pmode, stack_pointer_rtx, adjustment)); + } + /* Step 3: the loop do diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 641e412..e162386 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2017-06-22 Jeff Law <law@redhat.com> + + * gcc.c-torture/compile/stack-check-1.c: New test. + 2016-06-22 Richard Biener <rguenther@suse.de> * gcc.dg/vect/pr65947-1.c: Remove xfail. diff --git a/gcc/testsuite/gcc.c-torture/compile/stack-check-1.c b/gcc/testsuite/gcc.c-torture/compile/stack-check-1.c new file mode 100644 index 0000000..4058eb5 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/stack-check-1.c @@ -0,0 +1,2 @@ +/* { dg-additional-options "-fstack-check" } */ +#include "20031023-1.c" |