https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113354
Bug ID: 113354
Summary: Regression/14: unable to find a register to spill on
mips
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: syq at gcc dot gnu.org
Target Milestone: ---
../../../libgfortran/generated/matmul_i4.c: In function ‘matmul_i4’:
../../../libgfortran/generated/matmul_i4.c:3006:1: error: unable to find a
register to spill
3006 | }
| ^
../../../libgfortran/generated/matmul_i4.c:3006:1: error: this is the insn:
(insn 1643 7974 7975 184 (parallel [
(set (reg/v:SI 2999 [orig:435 f34 ] [435])
(plus:SI (mult:SI (reg:SI 286 [ _332 ])
(reg:SI 289 [ _342 ]))
(reg/v:SI 3000 [orig:435 f34 ] [435])))
(clobber (reg:SI 2791 [2407]))
(clobber (reg:SI 2408))
]) "../../../libgfortran/generated/matmul_i4.c":2820:14 42
{*mul_acc_si}
(expr_list:REG_UNUSED (reg:SI 2408)
(expr_list:REG_UNUSED (reg:SI 2791 [2407])
(expr_list:REG_DEAD (reg/v:SI 3000 [orig:435 f34 ] [435])
(expr_list:REG_DEAD (reg:SI 289 [ _342 ])
(nil))))))
during RTL pass: reload
../../../libgfortran/generated/matmul_i4.c:3006:1: internal compiler error: in
lra_split_hard_reg_for, at lra-assigns.cc:1862
