[Bug target/114255] New: [RISC-V] unable to find a register to spill

[Bug target/114255] New: [RISC-V] unable to find a register to spill

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114255

            Bug ID: 114255
           Summary: [RISC-V] unable to find a register to spill
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
  Target Milestone: ---
            Target: riscv64-*-*

Created attachment 57635
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57635&action=edit
if_test.cc.ii

$ c++ -march=rv64gcv1p0 -O2 -S if_test.cc.ii 
/home/abuild/rpmbuild/BUILD/highway-1.1.0/hwy/tests/if_test.cc: In function
'static void
hwy::N_RVV::TestIfNegativeThenNegOrUndefIfZero::TestMoreThan1LaneIfNegativeThenNegOrUndefIfZero(D,
hwy::N_RVV::Vec<D>, hwy::N_RVV::Vec<D>) [with D = hwy::N_RVV::Simd<short int,
4096, 3>; hwy::EnableIf<((bool)(D::kPrivateLanes > 1))>* <anonymous> = 0]':
/home/abuild/rpmbuild/BUILD/highway-1.1.0/hwy/tests/if_test.cc:225:3: error:
unable to find a register to spill
  225 |   }
      |   ^
/home/abuild/rpmbuild/BUILD/highway-1.1.0/hwy/tests/if_test.cc:225:3: error:
this is the insn:
(insn 202 628 821 4 (set (reg:RVVM8HI 478)
        (if_then_else:RVVM8HI (unspec:RVVMF2BI [
                    (reg:RVVMF2BI 479 [orig:141 _16 ] [141])
                    (reg:DI 134 [ _1 ])
                    (const_int 2 [0x2])
                    (const_int 0 [0]) repeated x2
                    (reg:SI 66 vl)
                    (reg:SI 67 vtype)
                ] UNSPEC_VPREDICATE)
            (minus:RVVM8HI (reg:RVVM8HI 631 [orig:135 _10 ] [135])
                (reg:RVVM8HI 481 [orig:275 _388 ] [275]))
            (reg:RVVM8HI 478)))
"/home/abuild/rpmbuild/BUILD/highway-1.1.0/hwy/tests/if_test.cc":207:19 discrim
1 4917 {pred_subrvvm8hi}
     (expr_list:REG_DEAD (reg:RVVM8HI 631 [orig:135 _10 ] [135])
        (expr_list:REG_DEAD (reg:RVVM8HI 481 [orig:275 _388 ] [275])
            (expr_list:REG_DEAD (reg:RVVMF2BI 479 [orig:141 _16 ] [141])
                (nil)))))
/home/abuild/rpmbuild/BUILD/highway-1.1.0/hwy/tests/if_test.cc:225: confused by
earlier errors, bailing out

[Bug target/114255] [RISC-V] [RVV] unable to find a register to spill

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114255

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
   Target Milestone|---                         |14.0
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in the mean time.

[Bug target/114255] [RISC-V] [RVV] unable to find a register to spill

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114255

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |DUPLICATE

--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---


*** This bug has been marked as a duplicate of bug 113790 ***