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author | H.J. Lu <hongjiu.lu@intel.com> | 2019-05-15 15:23:49 +0000 |
---|---|---|
committer | H.J. Lu <hjl@gcc.gnu.org> | 2019-05-15 08:23:49 -0700 |
commit | 6cbd0ef53a491294c7c503b0bb4579f8a212b1f2 (patch) | |
tree | a3adeba80748ef2cf43f3717022f2313b1907045 | |
parent | ea25b8487030ad75dedbbffdbb0836a3b637e74c (diff) | |
download | gcc-6cbd0ef53a491294c7c503b0bb4579f8a212b1f2.zip gcc-6cbd0ef53a491294c7c503b0bb4579f8a212b1f2.tar.gz gcc-6cbd0ef53a491294c7c503b0bb4579f8a212b1f2.tar.bz2 |
i386: Emulate MMX ssse3_pmaddubsw with SSE
Emulate MMX ssse3_pmaddubsw with SSE. Only SSE register source operand
is allowed.
PR target/89021
* config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
From-SVN: r271243
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/config/i386/sse.md | 18 |
2 files changed, 16 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 80b83cc..9cad0f4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,11 @@ 2019-05-15 H.J. Lu <hongjiu.lu@intel.com> PR target/89021 + * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation. + +2019-05-15 H.J. Lu <hongjiu.lu@intel.com> + + PR target/89021 * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3): Changed to define_insn_and_split to support SSE emulation. diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 0a0b8a4..bd3bbbe 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -16002,17 +16002,17 @@ (set_attr "mode" "TI")]) (define_insn "ssse3_pmaddubsw" - [(set (match_operand:V4HI 0 "register_operand" "=y") + [(set (match_operand:V4HI 0 "register_operand" "=y,x,Yv") (ss_plus:V4HI (mult:V4HI (zero_extend:V4HI (vec_select:V4QI - (match_operand:V8QI 1 "register_operand" "0") + (match_operand:V8QI 1 "register_operand" "0,0,Yv") (parallel [(const_int 0) (const_int 2) (const_int 4) (const_int 6)]))) (sign_extend:V4HI (vec_select:V4QI - (match_operand:V8QI 2 "nonimmediate_operand" "ym") + (match_operand:V8QI 2 "register_mmxmem_operand" "ym,x,Yv") (parallel [(const_int 0) (const_int 2) (const_int 4) (const_int 6)])))) (mult:V4HI @@ -16024,13 +16024,17 @@ (vec_select:V4QI (match_dup 2) (parallel [(const_int 1) (const_int 3) (const_int 5) (const_int 7)]))))))] - "TARGET_SSSE3" - "pmaddubsw\t{%2, %0|%0, %2}" - [(set_attr "type" "sseiadd") + "(TARGET_MMX || TARGET_MMX_WITH_SSE) && TARGET_SSSE3" + "@ + pmaddubsw\t{%2, %0|%0, %2} + pmaddubsw\t{%2, %0|%0, %2} + vpmaddubsw\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "mmx_isa" "native,x64_noavx,x64_avx") + (set_attr "type" "sseiadd") (set_attr "atom_unit" "simul") (set_attr "prefix_extra" "1") (set (attr "prefix_rex") (symbol_ref "x86_extended_reg_mentioned_p (insn)")) - (set_attr "mode" "DI")]) + (set_attr "mode" "DI,TI,TI")]) (define_mode_iterator PMULHRSW [V8HI (V16HI "TARGET_AVX2")]) |