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| author | Richard Henderson <rth@redhat.com> | 2005-03-11 09:50:30 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2005-03-11 09:50:30 -0800 |
| commit | f817d5d47008f94b9ea1a20daf8707ac7e7a9058 (patch) | |
| tree | 41f091869e1f40a834b3e976cfbcdae4da873c6d | |
| parent | 558b8548b432b0c0ba14009070940b73409fc721 (diff) | |
| download | gcc-f817d5d47008f94b9ea1a20daf8707ac7e7a9058.zip gcc-f817d5d47008f94b9ea1a20daf8707ac7e7a9058.tar.gz gcc-f817d5d47008f94b9ea1a20daf8707ac7e7a9058.tar.bz2 | |
re PR target/20415 (Vector init builtin produces invalid instruction pshufw)
PR target/20415
* config/i386/mmx.md (vec_dupv4hi): Fix predicate.
* config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
to match.
From-SVN: r96304
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 20 | ||||
| -rw-r--r-- | gcc/config/i386/mmx.md | 2 |
3 files changed, 23 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4944b6c..5c2b620 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2005-03-11 Richard Henderson <rth@redhat.com> + + PR target/20415 + * config/i386/mmx.md (vec_dupv4hi): Fix predicate. + * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update + to match. + 2005-03-11 Richard Sandiford <rsandifo@redhat.com> * config/mips/mips.h (mips_fix_vr4130_string): Declare. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index bc680c8..7ca47ed 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -16198,11 +16198,21 @@ ix86_expand_vector_init_duplicate (bool mmx_ok, enum machine_mode mode, case V4HImode: if (!mmx_ok) return false; - val = gen_lowpart (SImode, val); - x = gen_rtx_TRUNCATE (HImode, val); - x = gen_rtx_VEC_DUPLICATE (mode, x); - emit_insn (gen_rtx_SET (VOIDmode, target, x)); - return true; + if (TARGET_SSE || TARGET_3DNOW_A) + { + val = gen_lowpart (SImode, val); + x = gen_rtx_TRUNCATE (HImode, val); + x = gen_rtx_VEC_DUPLICATE (mode, x); + emit_insn (gen_rtx_SET (VOIDmode, target, x)); + return true; + } + else + { + smode = HImode; + wsmode = SImode; + wvmode = V2SImode; + goto widen; + } case V8QImode: if (!mmx_ok) diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md index 9e374e4..403501b 100644 --- a/gcc/config/i386/mmx.md +++ b/gcc/config/i386/mmx.md @@ -1111,7 +1111,7 @@ (vec_duplicate:V4HI (truncate:HI (match_operand:SI 1 "register_operand" "0"))))] - "TARGET_MMX" + "TARGET_SSE || TARGET_3DNOW_A" "pshufw\t{$0, %0, %0|%0, %0, 0}" [(set_attr "type" "mmxcvt") (set_attr "mode" "DI")]) |