[19/41] i386: Emulate MMX mmx_pmovmskb with SSE

Message ID	20190218183657.16296-20-hjl.tools@gmail.com
State	New
Headers	show Return-Path: <gcc-patches-return-496541-incoming=patchwork.ozlabs.org@gcc.gnu.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; q=dns; s=default; b=B7w 3zgQge0YGH/smCj8p3EI5B+LkOnFNVl35psg6A/CAjrW4bBP3xSbDgA1ck8Jo0tQ OyDCv+cXOvPiJ0y/j9jkAa0L2pL54Ir9LUITr4f/rPZweifH7oLRyBtJ71QQHaXq PR4n7RBQaQMLKLTCsJfMaN8Dqf6Sl2tTqyvR7Si4= Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk Sender: gcc-patches-owner@gcc.gnu.org From: "H.J. Lu" <hjl.tools@gmail.com> To: gcc-patches@gcc.gnu.org Cc: Uros Bizjak <ubizjak@gmail.com> Subject: [PATCH 19/41] i386: Emulate MMX mmx_pmovmskb with SSE Date: Mon, 18 Feb 2019 10:36:35 -0800 Message-Id: <20190218183657.16296-20-hjl.tools@gmail.com> In-Reply-To: <20190218183657.16296-1-hjl.tools@gmail.com> References: <20190218183657.16296-1-hjl.tools@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	V9: Emulate MMX intrinsics with SSE \| expand [00/41] V9: Emulate MMX intrinsics with SSE [01/41] i386: Allow MMX register modes in SSE registers [02/41] i386: Emulate MMX packsswb/packssdw/packuswb with SSE2 [03/41] i386: Emulate MMX punpcklXX/punpckhXX with SSE punpcklXX [04/41] i386: Emulate MMX plusminus/sat_plusminus with SSE [05/41] i386: Emulate MMX mulv4hi3 with SSE [06/41] i386: Emulate MMX smulv4hi3_highpart with SSE [07/41] i386: Emulate MMX mmx_pmaddwd with SSE [08/41] i386: Emulate MMX ashr<mode>3/<shift_insn><mode>3 with SSE [09/41] i386: Emulate MMX <any_logic><mode>3 with SSE [10/41] i386: Emulate MMX mmx_andnot<mode>3 with SSE [11/41] i386: Emulate MMX mmx_eq/mmx_gt<mode>3 with SSE [12/41] i386: Emulate MMX vec_dupv2si with SSE [13/41] i386: Emulate MMX pshufw with SSE [14/41] i386: Emulate MMX sse_cvtps2pi/sse_cvttps2pi with SSE [15/41] i386: Emulate MMX sse_cvtpi2ps with SSE [16/41] i386: Emulate MMX mmx_pextrw with SSE [17/41] i386: Emulate MMX mmx_pinsrw with SSE [18/41] i386: Emulate MMX V4HI smaxmin/V8QI umaxmin with SSE [19/41] i386: Emulate MMX mmx_pmovmskb with SSE [20/41] i386: Emulate MMX mmx_umulv4hi3_highpart with SSE [21/41] i386: Emulate MMX maskmovq with SSE2 maskmovdqu [22/41] i386: Emulate MMX mmx_uavgv8qi3 with SSE [23/41] i386: Emulate MMX mmx_uavgv4hi3 with SSE [24/41] i386: Emulate MMX mmx_psadbw with SSE [25/41] i386: Emulate MMX movntq with SSE2 movntidi [26/41] i386: Emulate MMX umulv1siv1di3 with SSE2 [27/41] i386: Make _mm_empty () as NOP without MMX [28/41] i386: Emulate MMX ssse3_ph<plusminus_mnemonic>wv4hi3 with SSE [29/41] i386: Emulate MMX ssse3_ph<plusminus_mnemonic>dv2si3 with SSE [30/41] i386: Emulate MMX ssse3_pmaddubsw with SSE [31/41] i386: Emulate MMX ssse3_pmulhrswv4hi3 with SSE [32/41] i386: Emulate MMX pshufb with SSE version [33/41] i386: Emulate MMX ssse3_psign<mode>3 with SSE [34/41] i386: Emulate MMX ssse3_palignrdi with SSE [35/41] i386: Emulate MMX abs<mode>2 with SSE [36/41] Prevent allocation of MMX registers with TARGET_MMX_WITH_SSE [37/41] i386: Allow MMXMODE moves with TARGET_MMX_WITH_SSE [38/41] i386: Allow MMX vector expanders with TARGET_MMX_WITH_SSE [39/41] i386: Allow MMX intrinsic emulation with SSE [40/41] i386: Enable TM MMX intrinsics with SSE2 [41/41] i386: Add tests for MMX intrinsic emulations with SSE

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20190218183657.16296-20-hjl.tools@gmail.com

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Subject: [PATCH 19/41] i386: Emulate MMX mmx_pmovmskb with SSE
Date: Mon, 18 Feb 2019 10:36:35 -0800
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Series

V9: Emulate MMX intrinsics with SSE | expand

Commit Message

H.J. Lu Feb. 18, 2019, 6:36 p.m. UTC

Emulate MMX mmx_pmovmskb with SSE by zero-extending result of SSE pmovmskb
from QImode to SImode.  Only SSE register source operand is allowed.

	PR target/89021
	* config/i386/mmx.md (mmx_pmovmskb): Changed to
	define_insn_and_split to support SSE emulation.
---
 gcc/config/i386/mmx.md | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index edfb8623701..5ae04de205d 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -1763,14 +1763,30 @@ 
   [(set_attr "type" "mmxshft")
    (set_attr "mode" "DI")])
 
-(define_insn "mmx_pmovmskb"
-  [(set (match_operand:SI 0 "register_operand" "=r")
-	(unspec:SI [(match_operand:V8QI 1 "register_operand" "y")]
+(define_insn_and_split "mmx_pmovmskb"
+  [(set (match_operand:SI 0 "register_operand" "=r,r")
+	(unspec:SI [(match_operand:V8QI 1 "register_operand" "y,x")]
 		   UNSPEC_MOVMSK))]
-  "TARGET_SSE || TARGET_3DNOW_A"
-  "pmovmskb\t{%1, %0|%0, %1}"
-  [(set_attr "type" "mmxcvt")
-   (set_attr "mode" "DI")])
+  "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+   && (TARGET_SSE || TARGET_3DNOW_A)"
+  "@
+   pmovmskb\t{%1, %0|%0, %1}
+   #"
+  "TARGET_MMX_WITH_SSE && reload_completed"
+  [(set (match_dup 0)
+        (unspec:SI [(match_dup 1)] UNSPEC_MOVMSK))
+   (set (match_dup 0)
+	(zero_extend:SI (match_dup 2)))]
+{
+  /* Generate SSE pmovmskb and zero-extend from QImode to SImode.  */
+  operands[1] = lowpart_subreg (V16QImode, operands[1],
+				GET_MODE (operands[1]));
+  operands[2] = lowpart_subreg (QImode, operands[0],
+				GET_MODE (operands[0]));
+}
+  [(set_attr "mmx_isa" "native,x64")
+   (set_attr "type" "mmxcvt,ssemov")
+   (set_attr "mode" "DI,TI")])
 
 (define_expand "mmx_maskmovq"
   [(set (match_operand:V8QI 0 "memory_operand")

[19/41] i386: Emulate MMX mmx_pmovmskb with SSE

Commit Message

Patch