diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/optabs.c | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6e274da..cd55c36 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-10-31 J"orn Rennecke <joern.rennecke@st.com> + + * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account. + 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/23492 diff --git a/gcc/optabs.c b/gcc/optabs.c index c043bb0..d3e1db6 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -2434,7 +2434,9 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target, if (temp) { - if (class != MODE_INT) + if (class != MODE_INT + || !TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), + GET_MODE_BITSIZE (wider_mode))) { if (target == 0) target = gen_reg_rtx (mode); |