| Message ID | 87d14a1x5z.fsf@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Fix calculation of ptr_mode for MODE_PARTIAL_INT Pmode | expand |
On Wed, Nov 22, 2017 at 10:26 AM, Richard Sandiford <richard.sandiford@linaro.org> wrote: > This patch fixes a regression caused by r251469, where I'd incorrectly > converted a call to mode_for_size that sometimes needs MODE_PARTIAL_INTs. > > Tested on aarch64-linux-gnu, x86_64-linux-gnu and powerpc64le-linux-gnu. > Also spot-checked on msp430-elf. OK to install? Ok. Richard. > Richard > > > 2017-11-22 Richard Sandiford <richard.sandiford@linaro.org> > > gcc/ > * emit-rtl.c (init_derived_machine_modes): Make sure ptr_mode > has the same mode class as Pmode. > > Index: gcc/emit-rtl.c > =================================================================== > --- gcc/emit-rtl.c 2017-11-22 09:21:12.560954668 +0000 > +++ gcc/emit-rtl.c 2017-11-22 09:25:24.200002574 +0000 > @@ -6003,7 +6003,8 @@ init_derived_machine_modes (void) > > byte_mode = opt_byte_mode.require (); > word_mode = opt_word_mode.require (); > - ptr_mode = int_mode_for_size (POINTER_SIZE, 0).require (); > + ptr_mode = as_a <scalar_int_mode> > + (mode_for_size (POINTER_SIZE, GET_MODE_CLASS (Pmode), 0).require ()); > } > > /* Create some permanent unique rtl objects shared between all functions. */
Index: gcc/emit-rtl.c =================================================================== --- gcc/emit-rtl.c 2017-11-22 09:21:12.560954668 +0000 +++ gcc/emit-rtl.c 2017-11-22 09:25:24.200002574 +0000 @@ -6003,7 +6003,8 @@ init_derived_machine_modes (void) byte_mode = opt_byte_mode.require (); word_mode = opt_word_mode.require (); - ptr_mode = int_mode_for_size (POINTER_SIZE, 0).require (); + ptr_mode = as_a <scalar_int_mode> + (mode_for_size (POINTER_SIZE, GET_MODE_CLASS (Pmode), 0).require ()); } /* Create some permanent unique rtl objects shared between all functions. */