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author | Peter Maydell <peter.maydell@linaro.org> | 2011-02-14 10:22:49 +0000 |
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committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-02-20 17:31:53 +0100 |
commit | d68a6f3a6deb2f5eee198b6fa46877a20227d86e (patch) | |
tree | bca340022b009f1d7c6c6397921483ab93ccd253 /target-arm/neon_helper.c | |
parent | 02acedf93da420713a0c4bbeaf32ce9d734a4332 (diff) | |
download | hqemu-d68a6f3a6deb2f5eee198b6fa46877a20227d86e.zip hqemu-d68a6f3a6deb2f5eee198b6fa46877a20227d86e.tar.gz |
target-arm: Move Neon VZIP to helper functions
Move the implementation of the Neon VUZP unzip instruction from inline
code to helper functions. (At 50+ TCG ops it was well over the
recommended limit for coding inline.) The helper implementations also
give the correct answers where the inline implementation did not.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-arm/neon_helper.c')
-rw-r--r-- | target-arm/neon_helper.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c index 49f1b15..bcc1b4b 100644 --- a/target-arm/neon_helper.c +++ b/target-arm/neon_helper.c @@ -1787,3 +1787,95 @@ void HELPER(neon_unzip16)(CPUState *env, uint32_t rd, uint32_t rm) env->vfp.regs[rm] = make_float64(m0); env->vfp.regs[rd] = make_float64(d0); } + +void HELPER(neon_qzip8)(CPUState *env, uint32_t rd, uint32_t rm) +{ + uint64_t zm0 = float64_val(env->vfp.regs[rm]); + uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); + uint64_t zd0 = float64_val(env->vfp.regs[rd]); + uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); + uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zm0, 0, 8) << 8) + | (ELEM(zd0, 1, 8) << 16) | (ELEM(zm0, 1, 8) << 24) + | (ELEM(zd0, 2, 8) << 32) | (ELEM(zm0, 2, 8) << 40) + | (ELEM(zd0, 3, 8) << 48) | (ELEM(zm0, 3, 8) << 56); + uint64_t d1 = ELEM(zd0, 4, 8) | (ELEM(zm0, 4, 8) << 8) + | (ELEM(zd0, 5, 8) << 16) | (ELEM(zm0, 5, 8) << 24) + | (ELEM(zd0, 6, 8) << 32) | (ELEM(zm0, 6, 8) << 40) + | (ELEM(zd0, 7, 8) << 48) | (ELEM(zm0, 7, 8) << 56); + uint64_t m0 = ELEM(zd1, 0, 8) | (ELEM(zm1, 0, 8) << 8) + | (ELEM(zd1, 1, 8) << 16) | (ELEM(zm1, 1, 8) << 24) + | (ELEM(zd1, 2, 8) << 32) | (ELEM(zm1, 2, 8) << 40) + | (ELEM(zd1, 3, 8) << 48) | (ELEM(zm1, 3, 8) << 56); + uint64_t m1 = ELEM(zd1, 4, 8) | (ELEM(zm1, 4, 8) << 8) + | (ELEM(zd1, 5, 8) << 16) | (ELEM(zm1, 5, 8) << 24) + | (ELEM(zd1, 6, 8) << 32) | (ELEM(zm1, 6, 8) << 40) + | (ELEM(zd1, 7, 8) << 48) | (ELEM(zm1, 7, 8) << 56); + env->vfp.regs[rm] = make_float64(m0); + env->vfp.regs[rm + 1] = make_float64(m1); + env->vfp.regs[rd] = make_float64(d0); + env->vfp.regs[rd + 1] = make_float64(d1); +} + +void HELPER(neon_qzip16)(CPUState *env, uint32_t rd, uint32_t rm) +{ + uint64_t zm0 = float64_val(env->vfp.regs[rm]); + uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); + uint64_t zd0 = float64_val(env->vfp.regs[rd]); + uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); + uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zm0, 0, 16) << 16) + | (ELEM(zd0, 1, 16) << 32) | (ELEM(zm0, 1, 16) << 48); + uint64_t d1 = ELEM(zd0, 2, 16) | (ELEM(zm0, 2, 16) << 16) + | (ELEM(zd0, 3, 16) << 32) | (ELEM(zm0, 3, 16) << 48); + uint64_t m0 = ELEM(zd1, 0, 16) | (ELEM(zm1, 0, 16) << 16) + | (ELEM(zd1, 1, 16) << 32) | (ELEM(zm1, 1, 16) << 48); + uint64_t m1 = ELEM(zd1, 2, 16) | (ELEM(zm1, 2, 16) << 16) + | (ELEM(zd1, 3, 16) << 32) | (ELEM(zm1, 3, 16) << 48); + env->vfp.regs[rm] = make_float64(m0); + env->vfp.regs[rm + 1] = make_float64(m1); + env->vfp.regs[rd] = make_float64(d0); + env->vfp.regs[rd + 1] = make_float64(d1); +} + +void HELPER(neon_qzip32)(CPUState *env, uint32_t rd, uint32_t rm) +{ + uint64_t zm0 = float64_val(env->vfp.regs[rm]); + uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); + uint64_t zd0 = float64_val(env->vfp.regs[rd]); + uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); + uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zm0, 0, 32) << 32); + uint64_t d1 = ELEM(zd0, 1, 32) | (ELEM(zm0, 1, 32) << 32); + uint64_t m0 = ELEM(zd1, 0, 32) | (ELEM(zm1, 0, 32) << 32); + uint64_t m1 = ELEM(zd1, 1, 32) | (ELEM(zm1, 1, 32) << 32); + env->vfp.regs[rm] = make_float64(m0); + env->vfp.regs[rm + 1] = make_float64(m1); + env->vfp.regs[rd] = make_float64(d0); + env->vfp.regs[rd + 1] = make_float64(d1); +} + +void HELPER(neon_zip8)(CPUState *env, uint32_t rd, uint32_t rm) +{ + uint64_t zm = float64_val(env->vfp.regs[rm]); + uint64_t zd = float64_val(env->vfp.regs[rd]); + uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zm, 0, 8) << 8) + | (ELEM(zd, 1, 8) << 16) | (ELEM(zm, 1, 8) << 24) + | (ELEM(zd, 2, 8) << 32) | (ELEM(zm, 2, 8) << 40) + | (ELEM(zd, 3, 8) << 48) | (ELEM(zm, 3, 8) << 56); + uint64_t m0 = ELEM(zd, 4, 8) | (ELEM(zm, 4, 8) << 8) + | (ELEM(zd, 5, 8) << 16) | (ELEM(zm, 5, 8) << 24) + | (ELEM(zd, 6, 8) << 32) | (ELEM(zm, 6, 8) << 40) + | (ELEM(zd, 7, 8) << 48) | (ELEM(zm, 7, 8) << 56); + env->vfp.regs[rm] = make_float64(m0); + env->vfp.regs[rd] = make_float64(d0); +} + +void HELPER(neon_zip16)(CPUState *env, uint32_t rd, uint32_t rm) +{ + uint64_t zm = float64_val(env->vfp.regs[rm]); + uint64_t zd = float64_val(env->vfp.regs[rd]); + uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zm, 0, 16) << 16) + | (ELEM(zd, 1, 16) << 32) | (ELEM(zm, 1, 16) << 48); + uint64_t m0 = ELEM(zd, 2, 16) | (ELEM(zm, 2, 16) << 16) + | (ELEM(zd, 3, 16) << 32) | (ELEM(zm, 3, 16) << 48); + env->vfp.regs[rm] = make_float64(m0); + env->vfp.regs[rd] = make_float64(d0); +} |