[PATCH v2 25/37] target/sparc: Implement UMULXHI

Richard Henderson posted 37 patches 6 months ago
Maintainers: Aurelien Jarno <aurelien@aurel32.net>, Peter Maydell <peter.maydell@linaro.org>, "Alex Bennée" <alex.bennee@linaro.org>, Laurent Vivier <laurent@vivier.eu>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>
[PATCH v2 25/37] target/sparc: Implement UMULXHI
Posted by Richard Henderson 6 months ago
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/insns.decode | 1 +
 target/sparc/translate.c  | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 09c8adca37..508175eccd 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -389,6 +389,7 @@ FCMPEq      10 000 cc:2 110101 .....  0 0101 0111 .....    \
 
     ADDXC       10 ..... 110110 ..... 0 0001 0001 .....    @r_r_r
     ADDXCcc     10 ..... 110110 ..... 0 0001 0011 .....    @r_r_r
+    UMULXHI     10 ..... 110110 ..... 0 0001 0110 .....    @r_r_r
     LZCNT       10 ..... 110110 00000 0 0001 0111 .....    @r_r2
 
     ALIGNADDR   10 ..... 110110 ..... 0 0001 1000 .....    @r_r_r
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 313adcd95b..7bf1e7687e 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -581,6 +581,12 @@ static void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
     gen_op_multiply(dst, src1, src2, 1);
 }
 
+static void gen_op_umulxhi(TCGv dst, TCGv src1, TCGv src2)
+{
+    TCGv discard = tcg_temp_new();
+    tcg_gen_mulu2_tl(discard, dst, src1, src2);
+}
+
 static void gen_op_sdiv(TCGv dst, TCGv src1, TCGv src2)
 {
 #ifdef TARGET_SPARC64
@@ -3919,6 +3925,8 @@ TRANS(ARRAY32, VIS1, do_rrr, a, gen_op_array32)
 TRANS(ADDXC, VIS3, do_rrr, a, gen_op_addxc)
 TRANS(ADDXCcc, VIS3, do_rrr, a, gen_op_addxccc)
 
+TRANS(UMULXHI, VIS3, do_rrr, a, gen_op_umulxhi)
+
 static void gen_op_alignaddr(TCGv dst, TCGv s1, TCGv s2)
 {
 #ifdef TARGET_SPARC64
-- 
2.34.1
Re: [PATCH v2 25/37] target/sparc: Implement UMULXHI
Posted by Philippe Mathieu-Daudé 5 months, 3 weeks ago
On 26/5/24 21:42, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/sparc/insns.decode | 1 +
>   target/sparc/translate.c  | 8 ++++++++
>   2 files changed, 9 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>