aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/expmed.c1
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bbc7e29..dff649d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,11 @@
2016-07-26 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/72517
+ * expmed.c (extract_bit_field_1): Constrain the vector mode
+ with element size matching the extraction mode size when
+ choosing a better vector mode to do the extraction from.
+
+2016-07-26 Richard Biener <rguenther@suse.de>
Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR middle-end/70920
diff --git a/gcc/expmed.c b/gcc/expmed.c
index f776e54..7af0c61 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -1581,6 +1581,7 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
for (; new_mode != VOIDmode ; new_mode = GET_MODE_WIDER_MODE (new_mode))
if (GET_MODE_SIZE (new_mode) == GET_MODE_SIZE (GET_MODE (op0))
+ && GET_MODE_UNIT_SIZE (new_mode) == GET_MODE_SIZE (tmode)
&& targetm.vector_mode_supported_p (new_mode))
break;
if (new_mode != VOIDmode)