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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expmed.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7b7c79b..8cf5ab1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-08-23 Segher Boessenkool <segher@kernel.crashing.org> + + PR rtl-optimization/87026 + * expmed.c (canonicalize_comparison): If we can no longer create + pseudoregisters, don't. + 2018-08-23 Richard Earnshaw <rearnsha@arm.com> PR target/86951 diff --git a/gcc/expmed.c b/gcc/expmed.c index e281930..0922029 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -6243,6 +6243,10 @@ canonicalize_comparison (machine_mode mode, enum rtx_code *code, rtx *imm) if (overflow) return; + /* The following creates a pseudo; if we cannot do that, bail out. */ + if (!can_create_pseudo_p ()) + return; + rtx reg = gen_rtx_REG (mode, LAST_VIRTUAL_REGISTER + 1); rtx new_imm = immed_wide_int_const (imm_modif, mode); |