On Sun, Jul 14, 2024 at 3:42 PM Roger Sayle <ro...@nextmovesoftware.com> wrote:
>
>
> This is a minor change to restore bootstrap on systems using gcc 4.8
> as a host compiler. The fatal error is:
>
> In file included from gcc/gcc/coretypes.h:471:0,
> from gcc/gcc/config/i386/i386-expand.cc:23:
> gcc/gcc/config/i386/i386-expand.cc: In function 'void
> ix86_expand_fp_absneg_operator(rtx_code, machine_mode, rtx_def**)':
> ./insn-modes.h:315:75: error: temporary of non-literal type
> 'scalar_float_mode' in a constant expression
> #define HFmode (scalar_float_mode ((scalar_float_mode::from_int) E_HFmode))
> ^
> gcc/gcc/config/i386/i386-expand.cc:2179:8: note: in expansion of macro
> 'HFmode'
> case HFmode:
> ^
>
>
> The solution is to use the E_?Fmode enumeration constants as case values
> in switch statements.
>
> This patch has been tested on x86_64-pc-linux-gnu with make bootstrap
> and make -k check, both with and without --target_board=unix{-m32}
> with no new failures (from this change). Ok for mainline?
>
>
> 2024-07-14 Roger Sayle <ro...@nextmovesoftware.com>
>
> * config/i386/i386-expand.cc (ix86_expand_fp_absneg_operator):
> Use E_?Fmode enumeration constants in switch statement.
> (ix86_expand_copysign): Likewise.
> (ix86_expand_xorsign): Likewise.
OK, also for backports.
Thanks,
Uros.
>
>
> Thanks in advance,
> Roger
> --
>
