diff options
| -rw-r--r-- | gcc/simplify-rtx.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/g++.target/i386/pr114187.C | 13 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.cc b/gcc/simplify-rtx.cc index 36dd5227917..dceaa13333c 100644 --- a/gcc/simplify-rtx.cc +++ b/gcc/simplify-rtx.cc @@ -7846,7 +7846,7 @@ simplify_context::simplify_subreg (machine_mode outermode, rtx op, { rtx tem = simplify_subreg (int_outermode, op, innermode, byte); if (tem) - return simplify_gen_subreg (outermode, tem, int_outermode, byte); + return lowpart_subreg (outermode, tem, int_outermode); } /* If OP is a vector comparison and the subreg is not changing the diff --git a/gcc/testsuite/g++.target/i386/pr114187.C b/gcc/testsuite/g++.target/i386/pr114187.C new file mode 100644 index 00000000000..69912a94cef --- /dev/null +++ b/gcc/testsuite/g++.target/i386/pr114187.C @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +struct P2d { + double x, y; +}; + +double sumxy_p(P2d p) { + return p.x + p.y; +} + +/* { dg-final { scan-assembler-not "movq" } } */ +/* { dg-final { scan-assembler-not "xchg" } } */ |