Date: Mon, 15 Jan 2018 12:44:17 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-current@freebsd.org Subject: Recent commits to -HEAD blow up cross-compile for PI3 (and possibly others) Message-ID: <89dbdd66-1ba7-15d3-d3fe-291f8e361fcb@denninger.net>
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This is a cryptographically signed message in MIME format. --------------ms060309080303030309090601 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable There has been trouble cross-compiling for the RPI3 for a while now, which I have filed a report on with the Crochet people here: https://github.com/freebsd/crochet/issues/222 This stemmed from an older LLVM version on my 11.1 box, which I rolled forward -- and resulted in blowups claiming that there was a permission problem with posix_spawn (!) Now, having tried to roll my -HEAD repo forward it's failing *much* earlier, starting with warnings about ATOMIC_ASM: --- getarg.o --- cc=C2=A0 -O2 -pipe -I/pics/CrossBuild-Head/src/crypto/heimdal/lib/roken -= I.=C2=A0 -DHAVE_C ONFIG_H -I/pics/CrossBuild-Head/src/kerberos5/include -MD=C2=A0 -MF.depend.getarg.o - MTgetarg.o -std=3Dgnu99=C2=A0 -Qunused-arguments=C2=A0 -I/pics/Crochet-work-HEAD/obj/pics/Cr ossBuild-Head/src/arm64.aarch64/tmp/legacy/usr/include -c /pics/CrossBuild-Head/ src/crypto/heimdal/lib/roken/getarg.c -o getarg.o --- _bootstrap-tools-usr.bin/localedef --- In file included from /pics/CrossBuild-Head/src/usr.bin/localedef/collate.c:50: In file included from /pics/CrossBuild-Head/src/lib/libc/locale/collate.h:44: /pics/CrossBuild-Head/src/lib/libc/locale/xlocale_private.h:170:18: warning: pas sing 'long *' to parameter of type 'volatile u_long *' (aka 'volatile unsigned l ong *') converts between pointers to integer types with different sign [-Wpointe r-sign] =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 atomic_add_long(&(obj->retain_= count), 1); =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~~~= ~~~~~~~~~~~ /usr/include/machine/atomic.h:467:1: note: passing argument to parameter 'p' her e ATOMIC_ASM(add,=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 long,=C2=A0 "addq %1,%0",=C2= =A0 "ir",=C2=A0 v); ^ /usr/include/machine/atomic.h:141:43: note: expanded from macro 'ATOMIC_A= SM' atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v)\ And then failing to build llvm entirely starting here: =3D=3D=3D> lib/clang/libllvm (all) llvm-tblgen -gen-dag-isel=C2=A0 -I /pics/CrossBuild-Head/src/contrib/llvm/include -I /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64=C2=A0 -d AArch64GenDAGISel.inc.d -o AArch64GenDAGISel.inc=C2=A0 /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64.td FCVTZSv8f16:=C2=A0=C2=A0=C2=A0 (set V128:v16i16:$Rd, (fp_to_sint:<empty> = V128:v1f32:$Rn)) Included from /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64.td:178:= /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64InstrInf= o.td:2951:1: error: In FCVTZSv8f16: Type inference contradiction found, forcing '{v16i8:v32i8:v8i16:v16i16:v4i32:v8i32:v2i64:v4i64:nxv4i1:nxv8i1:nxv16i1:= nxv32i1:nxv32i8:nxv16i16:nxv8i32:nxv4i64}' to have same number elements as 'v1f32' defm FCVTZS : SIMDTwoVectorFPToInt<0, 1, 0b11011, "fcvtzs", fp_to_sint>; ^ Included from /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64.td:178:= Included from /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64InstrInf= o.td:337: /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64InstrFor= mats.td:5092:3: note: instantiated from multiclass =C2=A0 def v8f16 : BaseSIMDTwoSameVector<1, U, {S,1}, opc, 0b11, V128, =C2=A0 ^ FCVTZUv8f16:=C2=A0=C2=A0=C2=A0 (set V128:v16i16:$Rd, (fp_to_uint:<empty> = V128:v1f32:$Rn)) Included from /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64.td:178:= /pics/CrossBuild-Head/src/contrib/llvm/lib/Target/AArch64/AArch64InstrInf= o.td:2952:1: error: In FCVTZUv8f16: Type inference contradiction found, forcing '{v16i8:v32i8:v8i16:v16i16:v4i32:v8i32:v2i64:v4i64:nxv4i1:nxv8i1:nxv16i1:= nxv32i1:nxv32i8:nxv16i16:nxv8i32:nxv4i64}' to have same number elements as 'v1f32' defm FCVTZU : SIMDTwoVectorFPToInt<1, 1, 0b11011, "fcvtzu", fp_to_uint>; Off -HEAD revision 328011 attempting to build with: FreeBSD 11.1-STABLE #21 r327332M: Thu Dec 28 20:54:24 CST 2017=C2=A0=C2=A0= =C2=A0=C2=A0 karl@NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms060309080303030309090601 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" 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