> __builtin_apply* and __builtin_return accesses the floating point registers
> on SPARC even when compiling with -msoft-float.
Ouch. The fix is OK for all active branches but...
> 2015-06-26 Daniel Cederman <ceder...@gaisler.com>
>
> * config/sparc/sparc.c (sparc_function_value_regno_p): Floating
> point registers cannot be used when compiling for a target
> without FPU.
> * config/sparc/sparc.md: A function cannot return a value in a
> floating point register when compiled without floating point
> support.
ChangeLog must just describe the what, nothing more. If the rationale is not
obvious, then a comment must be added _in the code_ itself.
* config/sparc/sparc.c (sparc_function_value_regno_p): Do not return
true on %f0 for a target without FPU.
* config/sparc/sparc.md (untyped_call): Do not save %f0 for a target
without FPU.
(untyped_return): Do not load %f0 for a target without FPU.
> +
> + if ( TARGET_FPU )
> + {
> + rtx valreg2 = gen_rtx_REG (TARGET_ARCH64 ? TFmode : DFmode, 32);
> + emit_move_insn (valreg2,
> + adjust_address (result, TARGET_ARCH64 ? TFmode :
> DFmode, 8)); + emit_use (valreg2);
> + }
Superfluous spaces around TARGET_FPU here.
--
Eric Botcazou
