These tests are failing for a silly reason. They scan for an occurrence of the NEGS instruction. NEGS (and NEG in general) is a pre-UAL alias of RSB with an immediate of 0 and we only emit it in one pattern: *thumb2_negsi2_short in thumb2.md. In all other instances of negation we emit the modern RSB mnemonic. This causes needless differences in assembly output. For example, for these testcases we emit NEG when compiling for -march=armv7-a, but for armv7ve we emit RSB, causing the scan-assembler tests to fail. This patch updates the *thumb2_negsi2_short pattern to use the RSB mnemonic and fixes the flaky scan-assembler directives. These tests now pass for my compiler configured with: --with-cpu=cortex-a15 --with-fpu=neon-vfpv4 --with-float=hard --with-mode=thumb Bootstrapped and tested on arm-none-linux-gnueabihf as well. * config/arm/thumb2.md (*thumb2_negsi2_short): Use RSB mnemonic instead of NEG. * gcc.target/arm/negdi-1.c: Remove bogus assembler scan for negs. * gcc.target/arm/negdi-2.c: Likewise. * gcc.target/arm/thumb-16bit-ops.c: Replace scan for NEGS with RSBS. --This line,gand those below, will be ignored-- M gcc/config/arm/thumb2.md M gcc/ChangeLog M gcc/testsuite/gcc.target/arm/thumb-16bit-ops.c M gcc/testsuite/gcc.target/arm/negdi-1.c M gcc/testsuite/gcc.target/arm/negdi-2.c M gcc/testsuite/ChangeLog From-SVN: r256881
Name |
Last commit
|
Last update |
---|---|---|
.. | ||
README-interworking | Loading commit data... | |
aarch-common-protos.h | Loading commit data... | |
aarch-common.c | Loading commit data... | |
aarch-cost-tables.h | Loading commit data... | |
aout.h | Loading commit data... | |
arm-builtins.c | Loading commit data... | |
arm-c.c | Loading commit data... | |
arm-cpus.in | Loading commit data... | |
arm-fixed.md | Loading commit data... | |
arm-flags.h | Loading commit data... | |
arm-generic.md | Loading commit data... | |
arm-ldmstm.ml | Loading commit data... | |
arm-modes.def | Loading commit data... | |
arm-opts.h | Loading commit data... | |
arm-protos.h | Loading commit data... | |
arm-simd-builtin-types.def | Loading commit data... | |
arm-tables.opt | Loading commit data... | |
arm-tune.md | Loading commit data... | |
arm.c | Loading commit data... | |
arm.h | Loading commit data... | |
arm.md | Loading commit data... | |
arm.opt | Loading commit data... | |
arm1020e.md | Loading commit data... | |
arm1026ejs.md | Loading commit data... | |
arm1136jfs.md | Loading commit data... | |
arm926ejs.md | Loading commit data... | |
arm_acle.h | Loading commit data... | |
arm_acle_builtins.def | Loading commit data... | |
arm_cmse.h | Loading commit data... | |
arm_fp16.h | Loading commit data... | |
arm_neon.h | Loading commit data... | |
arm_neon_builtins.def | Loading commit data... | |
arm_vfp_builtins.def | Loading commit data... | |
bpabi.h | Loading commit data... | |
constraints.md | Loading commit data... | |
cortex-a15-neon.md | Loading commit data... | |
cortex-a15.md | Loading commit data... | |
cortex-a17-neon.md | Loading commit data... | |
cortex-a17.md | Loading commit data... | |
cortex-a5.md | Loading commit data... | |
cortex-a53.md | Loading commit data... | |
cortex-a57.md | Loading commit data... | |
cortex-a7.md | Loading commit data... | |
cortex-a8-neon.md | Loading commit data... | |
cortex-a8.md | Loading commit data... | |
cortex-a9-neon.md | Loading commit data... | |
cortex-a9.md | Loading commit data... | |
cortex-m4-fpu.md | Loading commit data... | |
cortex-m4.md | Loading commit data... | |
cortex-m7.md | Loading commit data... | |
cortex-r4.md | Loading commit data... | |
cortex-r4f.md | Loading commit data... | |
crypto.def | Loading commit data... | |
crypto.md | Loading commit data... | |
driver-arm.c | Loading commit data... | |
elf.h | Loading commit data... | |
exynos-m1.md | Loading commit data... | |
fa526.md | Loading commit data... | |
fa606te.md | Loading commit data... | |
fa626te.md | Loading commit data... | |
fa726te.md | Loading commit data... | |
fmp626.md | Loading commit data... | |
freebsd.h | Loading commit data... | |
fuchsia-elf.h | Loading commit data... | |
iterators.md | Loading commit data... | |
iwmmxt.md | Loading commit data... | |
iwmmxt2.md | Loading commit data... | |
ldmstm.md | Loading commit data... | |
ldrdstrd.md | Loading commit data... | |
linux-eabi.h | Loading commit data... | |
linux-elf.h | Loading commit data... | |
linux-gas.h | Loading commit data... | |
marvell-f-iwmmxt.md | Loading commit data... | |
marvell-pj4.md | Loading commit data... | |
mmintrin.h | Loading commit data... | |
neon.md | Loading commit data... | |
netbsd-elf.h | Loading commit data... | |
parsecpu.awk | Loading commit data... | |
predicates.md | Loading commit data... | |
rtems.h | Loading commit data... | |
semi.h | Loading commit data... | |
symbian.h | Loading commit data... | |
sync.md | Loading commit data... | |
t-aprofile | Loading commit data... | |
t-arm | Loading commit data... | |
t-arm-elf | Loading commit data... | |
t-bpabi | Loading commit data... | |
t-fuchsia | Loading commit data... | |
t-linux-androideabi | Loading commit data... | |
t-linux-eabi | Loading commit data... | |
t-multilib | Loading commit data... | |
t-phoenix | Loading commit data... | |
t-rmprofile | Loading commit data... | |
t-rtems | Loading commit data... | |
t-symbian | Loading commit data... | |
t-vxworks | Loading commit data... | |
thumb1.md | Loading commit data... | |
thumb2.md | Loading commit data... | |
types.md | Loading commit data... | |
uclinux-eabi.h | Loading commit data... | |
uclinux-elf.h | Loading commit data... | |
unknown-elf.h | Loading commit data... | |
unspecs.md | Loading commit data... | |
vec-common.md | Loading commit data... | |
vfp.md | Loading commit data... | |
vfp11.md | Loading commit data... | |
vxworks.h | Loading commit data... | |
vxworks.opt | Loading commit data... | |
x-arm | Loading commit data... | |
xgene1.md | Loading commit data... |