diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-29 14:14:56 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-29 14:14:56 +0000 |
| commit | 4758dc397a505efc8cd7df72dd1547376400cdc9 (patch) | |
| tree | c1eea9e33258bfda7afffd611b53e331499845ac | |
| parent | ca6c73170de6d956ba14814e9532e290c4451933 (diff) | |
| download | gcc-4758dc397a505efc8cd7df72dd1547376400cdc9.tar.gz | |
PR target/69551
* config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
SSE1, copy target into the temporary reg first before recursing
on it.
* gcc.target/i386/pr69551.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232982 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr69551.c | 23 |
4 files changed, 34 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8e06ddb9e17..9f998427113 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-01-29 Jakub Jelinek <jakub@redhat.com> + + PR target/69551 + * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For + SSE1, copy target into the temporary reg first before recursing + on it. + 2016-01-29 H.J. Lu <hongjiu.lu@intel.com> * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 6dc1fa54e9b..b5002337cf4 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -46744,6 +46744,7 @@ ix86_expand_vector_set (bool mmx_ok, rtx target, rtx val, int elt) { /* For SSE1, we have to reuse the V4SF code. */ rtx t = gen_reg_rtx (V4SFmode); + emit_move_insn (t, gen_lowpart (V4SFmode, target)); ix86_expand_vector_set (false, t, gen_lowpart (SFmode, val), elt); emit_move_insn (target, gen_lowpart (mode, t)); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e41c9896de2..150ebc803ac 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2016-01-29 Jakub Jelinek <jakub@redhat.com> + PR target/69551 + * gcc.target/i386/pr69551.c: New test. + PR target/66137 * gcc.target/i386/pr66137.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/pr69551.c b/gcc/testsuite/gcc.target/i386/pr69551.c new file mode 100644 index 00000000000..1505fc21dbf --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr69551.c @@ -0,0 +1,23 @@ +/* PR target/69551 */ +/* { dg-do run { target sse_runtime } } */ +/* { dg-options "-O2 -mno-sse2 -msse" } */ + +typedef unsigned char v16qi __attribute__ ((vector_size (16))); +typedef unsigned int v4si __attribute__ ((vector_size (16))); + +char __attribute__ ((noinline, noclone)) +test (v4si vec) +{ + vec[1] = 0x5fb856; + return ((v16qi) vec)[0]; +} + +int +main () +{ + char z = test ((v4si) { -1, -1, -1, -1 }); + + if (z != -1) + __builtin_abort (); + return 0; +} |