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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-07-05 09:40:25 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2024-07-05 12:34:35 +0100 |
| commit | 2f93ff3113d60635328fdeaec5d1fece6ceade5a (patch) | |
| tree | 68f82d3db635703bff5202898ec5b4d864c3af2c /tests | |
| parent | e3693cd3c9fe868e6b87d0677ad9740b56937d34 (diff) | |
| download | qemu-2f93ff3113d60635328fdeaec5d1fece6ceade5a.zip qemu-2f93ff3113d60635328fdeaec5d1fece6ceade5a.tar.gz qemu-2f93ff3113d60635328fdeaec5d1fece6ceade5a.tar.bz2 | |
tests/tcg/arm: Use vmrs/vmsr instead of mcr/mrc
Clang 14 generates
/home/rth/qemu/src/tests/tcg/arm/fcvt.c:431:9: error: invalid operand for instruction
asm("mrc p10, 7, r1, cr1, cr0, 0\n\t"
^
<inline asm>:1:6: note: instantiated into assembly here
mrc p10, 7, r1, cr1, cr0, 0
^
/home/rth/qemu/src/tests/tcg/arm/fcvt.c:432:32: error: invalid operand for instruction
"orr r1, r1, %[flags]\n\t"
^
<inline asm>:3:6: note: instantiated into assembly here
mcr p10, 7, r1, cr1, cr0, 0
^
This is perhaps a clang bug, but using the neon mnemonic is clearer.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-14-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-19-alex.bennee@linaro.org>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/arm/fcvt.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/tests/tcg/arm/fcvt.c b/tests/tcg/arm/fcvt.c index d8c61cd..ecebbb0 100644 --- a/tests/tcg/arm/fcvt.c +++ b/tests/tcg/arm/fcvt.c @@ -427,10 +427,9 @@ int main(int argc, char *argv[argc]) /* And now with ARM alternative FP16 */ #if defined(__arm__) - /* See glibc sysdeps/arm/fpu_control.h */ - asm("mrc p10, 7, r1, cr1, cr0, 0\n\t" + asm("vmrs r1, fpscr\n\t" "orr r1, r1, %[flags]\n\t" - "mcr p10, 7, r1, cr1, cr0, 0\n\t" + "vmsr fpscr, r1" : /* no output */ : [flags] "n" (1 << 26) : "r1" ); #else asm("mrs x1, fpcr\n\t" |