From: Richard Henderson <richard.henderson@linaro.org>
Date: Sun, 8 Dec 2024 22:15:30 +0000 (-0600)
Subject: target/hexagon: Simplify internal_mpyhh setup
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=59abfb444e1d9654e15f85c50d09a3366e4c1c1e;p=qemu.git

target/hexagon: Simplify internal_mpyhh setup

Initialize x with accumulated via direct assignment,
rather than multiplying by 1.

Reviewed-by: Brian Cain <brian.cain@oss.qualcomm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/hexagon/fma_emu.c b/target/hexagon/fma_emu.c
index 07d2880776..c557141f11 100644
--- a/target/hexagon/fma_emu.c
+++ b/target/hexagon/fma_emu.c
@@ -455,7 +455,7 @@ float64 internal_mpyhh(float64 a, float64 b,
         float64_is_infinity(b)) {
         return float64_mul(a, b, fp_status);
     }
-    x.mant = int128_mul_6464(accumulated, 1);
+    x.mant = int128_make64(accumulated);
     x.sticky = sticky;
     prod = fGETUWORD(1, float64_getmant(a)) * fGETUWORD(1, float64_getmant(b));
     x.mant = int128_add(x.mant, int128_mul_6464(prod, 0x100000000ULL));