aboutsummaryrefslogtreecommitdiff
path: root/tcg/README
diff options
context:
space:
mode:
authorRichard Henderson <rth@twiddle.net>2013-02-19 23:51:53 -0800
committerBlue Swirl <blauwirbel@gmail.com>2013-02-23 17:25:28 +0000
commit4d3203fd0b5d17e39f631f2534e7cbb37d04ce3f (patch)
treee249c249c25daa9dcfc04aa47114f0433c3036d6 /tcg/README
parentd7156f7ce4581c874df4a27409e7d99873faa413 (diff)
downloadqemu-4d3203fd0b5d17e39f631f2534e7cbb37d04ce3f.zip
qemu-4d3203fd0b5d17e39f631f2534e7cbb37d04ce3f.tar.gz
qemu-4d3203fd0b5d17e39f631f2534e7cbb37d04ce3f.tar.bz2
tcg: Add signed multiword multiplication operations
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg/README')
-rw-r--r--tcg/README4
1 files changed, 4 insertions, 0 deletions
diff --git a/tcg/README b/tcg/README
index 89f0cdd..934e7af 100644
--- a/tcg/README
+++ b/tcg/README
@@ -375,6 +375,10 @@ is returned in two single-word outputs.
Similar to mul, except two unsigned inputs T1 and T2 yielding the full
double-word product T0. The later is returned in two single-word outputs.
+* muls2_i32/i64 t0_low, t0_high, t1, t2
+
+Similar to mulu2, except the two inputs T1 and T2 are signed.
+
********* 64-bit target on 32-bit host support
The following opcodes are internal to TCG. Thus they are to be implemented by