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authorJerry DeLisle <jvdelisle@gcc.gnu.org>2025-09-02 15:58:26 -0700
committerJerry DeLisle <jvdelisle@gcc.gnu.org>2025-09-02 15:58:26 -0700
commit071b4126c613881f4cb25b4e5c39032964827f88 (patch)
tree7ed805786566918630d1d617b1ed8f7310f5fd8e /gcc/config/riscv/riscv-avlprop.cc
parent845d23f3ea08ba873197c275a8857eee7edad996 (diff)
parentcaa1c2f42691d68af4d894a5c3e700ecd2dba080 (diff)
downloadgcc-devel/gfortran-test.zip
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Merge branch 'master' into gfortran-testdevel/gfortran-test
Diffstat (limited to 'gcc/config/riscv/riscv-avlprop.cc')
-rw-r--r--gcc/config/riscv/riscv-avlprop.cc13
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/config/riscv/riscv-avlprop.cc b/gcc/config/riscv/riscv-avlprop.cc
index 3031c29..b8547a7 100644
--- a/gcc/config/riscv/riscv-avlprop.cc
+++ b/gcc/config/riscv/riscv-avlprop.cc
@@ -156,6 +156,7 @@ get_insn_vtype_mode (rtx_insn *rinsn)
extract_insn_cached (rinsn);
int mode_idx = get_attr_mode_idx (rinsn);
gcc_assert (mode_idx != INVALID_ATTRIBUTE);
+ gcc_assert (mode_idx < recog_data.n_operands);
return GET_MODE (recog_data.operand[mode_idx]);
}
@@ -205,6 +206,7 @@ simplify_replace_vlmax_avl (rtx_insn *rinsn, rtx new_avl)
{
int index = get_attr_avl_type_idx (rinsn);
gcc_assert (index != INVALID_ATTRIBUTE);
+ gcc_assert (index < recog_data.n_operands);
validate_change_or_fail (rinsn, recog_data.operand_loc[index],
get_avl_type_rtx (avl_type::NONVLMAX), false);
}
@@ -361,6 +363,8 @@ pass_avlprop::get_vlmax_ta_preferred_avl (insn_info *insn) const
is not depend on. */
extract_insn_cached (use_insn->rtl ());
int merge_op_idx = get_attr_merge_op_idx (use_insn->rtl ());
+ gcc_assert (merge_op_idx == INVALID_ATTRIBUTE
+ || merge_op_idx < recog_data.n_operands);
if (merge_op_idx != INVALID_ATTRIBUTE
&& !satisfies_constraint_vu (recog_data.operand[merge_op_idx])
&& refers_to_regno_p (set->regno (),
@@ -531,7 +535,14 @@ pass_avlprop::execute (function *fn)
&& !m_avl_propagations->get (candidate.second)
&& imm_avl_p (vtype_mode))
{
- rtx new_avl = gen_int_mode (GET_MODE_NUNITS (vtype_mode), Pmode);
+ /* For segmented operations AVL refers to a single register and
+ not all NF registers. Therefore divide the mode size by NF
+ to obtain the proper AVL. */
+ int nf = 1;
+ if (riscv_v_ext_tuple_mode_p (vtype_mode))
+ nf = get_nf (vtype_mode);
+ rtx new_avl = gen_int_mode
+ (GET_MODE_NUNITS (vtype_mode).to_constant () / nf, Pmode);
simplify_replace_vlmax_avl (rinsn, new_avl);
}
}