https://llvm.org/bugs/show_bug.cgi?id=30381
Bug ID: 30381
Summary: [MIPS] integrated-as doesn't parse FreeBSD's fp.S ASM
Product: clang
Version: trunk
Hardware: Other
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: sbr...@freebsd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17261
--> https://llvm.org/bugs/attachment.cgi?id=17261&action=edit
File from FreeBSD MIPS kernel
I've currently bypassed this file in my tests to build FreeBSD MIPS/MIPS64. If
I try to use clang -integrated-as with it, it fails.
/home/sbruno/clang/build/bin/clang -Wno-typedef-redefinition -Wno-pointer-sign
-Wno-expansion-to-defined -Wno-address-of-packed-member -msoft-float -fpic
-target mips64-unknown-freebsd12.0
--sysroot=/var/tmp/mips.mips64/home/sbruno/mips64-clang/tmp
-B/var/tmp/mips.mips64/home/sbruno/mips64-clang/tmp/usr/bin -c -x
assembler-with-cpp -DLOCORE -O -pipe -g -nostdinc -I.
-I/home/sbruno/mips64-clang/sys -I/home/sbruno/mips64-clang/sys/contrib/libfdt
-D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-pic
-mno-abicalls -G0 -DKERNLOADADDR=0xffffffff80100000 -march=mips64 -mabi=64 -MD
-MF.depend.fp.o -MTfp.o -msoft-float -ffreestanding -fwrapv -gdwarf-2 -Wall
-Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign
-D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs
-fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare
-Wno-error-empty-body -Wno-error-parentheses-equality
-Wno-error-unused-function -Wno-error-pointer-sign
-Wno-error-shift-negative-value -std=iso9899:1999 -O -pipe -g -nostdinc
-I. -I/home/sbruno/mips64-clang/sys
-I/home/sbruno/mips64-clang/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-pic -mno-abicalls -G0
-DKERNLOADADDR=0xffffffff80100000 -march=mips64 -mabi=64 -MD -MF.depend.fp.o
-MTfp.o -msoft-float -ffreestanding -fwrapv -gdwarf-2 -Wall -Wredundant-decls
-Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
-Winline -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__
-Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas
-Wno-error-tautological-compare -Wno-error-empty-body
-Wno-error-parentheses-equality -Wno-error-unused-function
-Wno-error-pointer-sign -Wno-error-shift-negative-value -std=iso9899:1999
-D_LOCORE -DLOCORE -Werror /home/sbruno/mips64-clang/sys/mips/mips/fp.S
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:118:2: warning: DWARF2 only
supports one section per compilation unit
.section .rdata
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1619:2: error: too few operands
for instruction
not $15 # negate $13,$15
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1620:2: error: too few operands
for instruction
not $13
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1622:2: error: instruction
requires a CPU feature not currently enabled
seq $2, $15, $0 # compute carry
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1626:2: error: too few operands
for instruction
not $11 # negate $9,$11
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1627:2: error: too few operands
for instruction
not $9
^
/home/sbruno/mips64-clang/sys/mips/mips/fp.S:1629:2: error: instruction
requires a CPU feature not currently enabled
seq $2, $11, $0 # compute carry
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