From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 4E03D44266 for ; Sat, 3 Sep 2022 20:55:50 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 208CB68B9F2; Sat, 3 Sep 2022 23:55:48 +0300 (EEST) Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2F55568B944 for ; Sat, 3 Sep 2022 23:55:41 +0300 (EEST) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 364DA1BF203 for ; Sat, 3 Sep 2022 20:55:39 +0000 (UTC) Date: Sat, 3 Sep 2022 22:55:38 +0200 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20220903205538.GT2088045@pb2> References: MIME-Version: 1.0 In-Reply-To: Subject: Re: [FFmpeg-devel] [PATCH 2/2] x86/tx_float: implement inverse MDCT AVX2 assembly X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: multipart/mixed; boundary="===============5545132229848983184==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============5545132229848983184== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Gwp7Ha71EYc9lgOD" Content-Disposition: inline --Gwp7Ha71EYc9lgOD Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Sep 03, 2022 at 03:42:36AM +0200, Lynne wrote: > This commit implements an iMDCT in pure assembly. >=20 > This is capable of processing any mod-8 transforms, rather than just > power of two, but since power of two is all we have assembly for > currently, that's what's supported. > It would really benefit if we could somehow use the C code to decide > which function to jump into, but exposing function labels from assebly > into C is anything but easy. > The post-transform loop could probably be improved. >=20 > This was somewhat annoying to write, as we must support arbitrary > strides during runtime. There's a fast branch for stride =3D=3D 4 bytes > and a slower one which uses vgatherdps. >=20 > Zen 3 benchmarks for stride =3D=3D 4 for old (av_imdct_half) vs new (av_t= x): >=20 > 128pt: > =A0=A0 2811 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_tx (imdct),16775916 = runs,=A0=A0 1300 skips > =A0=A0 3082 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_imdct_half,16776751 = runs,=A0=A0=A0 465 skips >=20 > 256pt: > =A0=A0 4920 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_tx (imdct),16775820 = runs,=A0=A0 1396 skips > =A0=A0 5378 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_imdct_half,16776411 = runs,=A0=A0=A0 805 skips >=20 > 512pt: > =A0=A0 9668 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_tx (imdct),16775774 = runs,=A0=A0 1442 skips > =A0 10626 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_imdct_half,16775647 ru= ns,=A0=A0 1569 skips >=20 > 1024pt: > =A0 19812 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_tx (imdct),16777144 ru= ns,=A0=A0=A0=A0 72 skips > =A0 23036 decicycles in=A0=A0=A0=A0=A0=A0=A0=A0 av_imdct_half,16777167 ru= ns,=A0=A0=A0=A0 49 skips >=20 > Patch attached. >=20 x86-32 doesnt digest this very well src/libavutil/x86/tx_float.asm:1540: error: (ASSERT:2) assertion ``8 <=3D 7= '' failed src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:618: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:304: ... from macro `ASSERT' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:620: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:382: ... from macro `ALLOC_STACK' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:621: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:273: ... from macro `LOAD_IF_USED' defined he= re src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:621: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:273: ... from macro `LOAD_IF_USED' defined he= re src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:621: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:273: ... from macro `LOAD_IF_USED' defined he= re src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1361: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:721: ... from macro `cglobal' defined here src//libavutil/x86/x86inc.asm:756: ... from macro `cglobal_internal' define= d here src//libavutil/x86/x86inc.asm:621: ... from macro `PROLOGUE' defined here src//libavutil/x86/x86inc.asm:273: ... from macro `LOAD_IF_USED' defined he= re src/libavutil/x86/tx_float.asm:1540: error: invalid combination of opcode a= nd operands src/libavutil/x86/tx_float.asm:1362: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7d' undefined src/libavutil/x86/tx_float.asm:1365: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7d' undefined src/libavutil/x86/tx_float.asm:1366: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r11q' undefined src/libavutil/x86/tx_float.asm:1369: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7d' undefined src/libavutil/x86/tx_float.asm:1380: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1396: ... from macro `movd' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1383: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `m15' undefined src/libavutil/x86/tx_float.asm:1384: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1459: ... from macro `pcmpeqd' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m15' undefined src/libavutil/x86/tx_float.asm:1388: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m15' undefined src/libavutil/x86/tx_float.asm:1390: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m8' undefined src/libavutil/x86/tx_float.asm:1394: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m9' undefined src/libavutil/x86/tx_float.asm:1395: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m10' undefined src/libavutil/x86/tx_float.asm:1403: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1414: ... from macro `movshdup' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m11' undefined src/libavutil/x86/tx_float.asm:1404: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1414: ... from macro `movshdup' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m12' undefined src/libavutil/x86/tx_float.asm:1405: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1415: ... from macro `movsldup' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m13' undefined src/libavutil/x86/tx_float.asm:1406: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1415: ... from macro `movsldup' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m10' undefined src/libavutil/x86/tx_float.asm:1408: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1421: ... from macro `mulps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m11' undefined src/libavutil/x86/tx_float.asm:1409: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1421: ... from macro `mulps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m10' undefined src/libavutil/x86/tx_float.asm:1411: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1562: ... from macro `shufps' defined here src//libavutil/x86/x86inc.asm:1262: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m11' undefined src/libavutil/x86/tx_float.asm:1412: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1562: ... from macro `shufps' defined here src//libavutil/x86/x86inc.asm:1262: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m10' undefined src/libavutil/x86/tx_float.asm:1414: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1668: ... from macro `fmaddsubps' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `m11' undefined src/libavutil/x86/tx_float.asm:1415: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1668: ... from macro `fmaddsubps' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1417: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1398: ... from macro `movdqa' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src//libavutil/x86/x86inc.asm:1716: ... from macro `vmovdqa' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1418: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1398: ... from macro `movdqa' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src//libavutil/x86/x86inc.asm:1716: ... from macro `vmovdqa' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1422: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1140: ... from macro `add' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1430: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1431: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1432: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1436: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1444: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m8' undefined src/libavutil/x86/tx_float.asm:1449: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1564: ... from macro `shufps' defined here src//libavutil/x86/x86inc.asm:1260: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `m8' undefined src/libavutil/x86/tx_float.asm:1452: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1421: ... from macro `mulps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: invalid combination of opcode a= nd operands src/libavutil/x86/tx_float.asm:1461: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: invalid combination of opcode a= nd operands src/libavutil/x86/tx_float.asm:1462: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r9q' undefined src/libavutil/x86/tx_float.asm:1463: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r10q' undefined src/libavutil/x86/tx_float.asm:1464: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r9q' undefined src/libavutil/x86/tx_float.asm:1468: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1405: ... from macro `movlps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r10q' undefined src/libavutil/x86/tx_float.asm:1469: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1402: ... from macro `movhps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1471: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1472: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r9q' undefined src/libavutil/x86/tx_float.asm:1473: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r10q' undefined src/libavutil/x86/tx_float.asm:1474: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r9q' undefined src/libavutil/x86/tx_float.asm:1478: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1405: ... from macro `movlps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r10q' undefined src/libavutil/x86/tx_float.asm:1479: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1402: ... from macro `movhps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1484: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1152: ... from macro `sub' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1485: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1152: ... from macro `sub' defined here src/libavutil/x86/tx_float.asm:1540: error: invalid combination of opcode a= nd operands src/libavutil/x86/tx_float.asm:1489: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1490: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r11q' undefined src/libavutil/x86/tx_float.asm:1492: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1118: ... from macro `call' defined here src//libavutil/x86/x86inc.asm:1130: ... from macro `call_internal' defined = here src/libavutil/x86/tx_float.asm:1540: error: invalid combination of opcode a= nd operands src/libavutil/x86/tx_float.asm:1495: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1499: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1500: ... from macro `IMDCT_FN' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1505: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1506: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1507: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1508: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1530: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1531: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1395: ... from macro `movaps' defined here src//libavutil/x86/x86inc.asm:1264: ... from macro `RUN_AVX_INSTR' defined = here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7q' undefined src/libavutil/x86/tx_float.asm:1533: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1140: ... from macro `add' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r8q' undefined src/libavutil/x86/tx_float.asm:1534: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:1152: ... from macro `sub' defined here src/libavutil/x86/tx_float.asm:1540: error: symbol `r7' undefined src/libavutil/x86/tx_float.asm:1537: ... from macro `IMDCT_FN' defined here src//libavutil/x86/x86inc.asm:638: ... from macro `RET' defined here src/ffbuild/common.mak:103: recipe for target 'libavutil/x86/tx_float.o' fa= iled make: *** [libavutil/x86/tx_float.o] Error 1 make: *** Waiting for unfinished jobs.... thx [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Everything should be made as simple as possible, but not simpler. -- Albert Einstein --Gwp7Ha71EYc9lgOD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCYxO/RgAKCRBhHseHBAsP q0RwAJ9+YLCn/p/WN/PUIRHYQ62cD2yjZACfdirqbVPRZaB5ydz/MEv8GQlfDp0= =klTj -----END PGP SIGNATURE----- --Gwp7Ha71EYc9lgOD-- --===============5545132229848983184== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: 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