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Diffstat (limited to 'gcc/gimple-lower-bitint.cc')
| -rw-r--r-- | gcc/gimple-lower-bitint.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/gimple-lower-bitint.cc b/gcc/gimple-lower-bitint.cc index 1224173..e7c7fe5 100644 --- a/gcc/gimple-lower-bitint.cc +++ b/gcc/gimple-lower-bitint.cc @@ -3181,6 +3181,17 @@ bitint_large_huge::lower_mergeable_stmt (gimple *stmt, tree_code &cmp_code, { tree l = limb_access (nlhs ? NULL_TREE : lhs_type, nlhs ? nlhs : lhs, idx, true); + + if (bitint_extended + && sext + && TYPE_UNSIGNED (lhs_type) + && tree_fits_uhwi_p (idx) + && !nlhs) + { + rhs1 = add_cast (limb_access_type (lhs_type, idx), rhs1); + rhs1 = add_cast (TREE_TYPE (l), rhs1); + } + g = gimple_build_assign (l, rhs1); } insert_before (g); |