target/alpha: Fix user-only initialization of fpcr

[Qemu-devel] [PATCH] target/alpha: Fix user-only initialization of fpcr

Richard Henderson posted 1 patch 5 years, 3 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20190105225921.16576-1-richard.henderson@linaro.org

target/alpha/cpu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

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[Qemu-devel] [PATCH] target/alpha: Fix user-only initialization of fpcr

Posted by Richard Henderson 5 years, 3 months ago

When the representation of fpcr was changed, the user-only
initialization was not updated to match.  Oops.

Fixes: f3d3aad4a92
Fixes: https://bugs.launchpad.net/bugs/1701835
Reported-by: Bruno Haible <bruno@clisp.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/alpha/cpu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index a953897fcc..1fd95d6c0f 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -205,9 +205,9 @@ static void alpha_cpu_initfn(Object *obj)
     env->lock_addr = -1;
 #if defined(CONFIG_USER_ONLY)
     env->flags = ENV_FLAG_PS_USER | ENV_FLAG_FEN;
-    cpu_alpha_store_fpcr(env, (FPCR_INVD | FPCR_DZED | FPCR_OVFD
-                               | FPCR_UNFD | FPCR_INED | FPCR_DNOD
-                               | FPCR_DYN_NORMAL));
+    cpu_alpha_store_fpcr(env, (uint64_t)(FPCR_INVD | FPCR_DZED | FPCR_OVFD
+                                         | FPCR_UNFD | FPCR_INED | FPCR_DNOD
+                                         | FPCR_DYN_NORMAL) << 32);
 #else
     env->flags = ENV_FLAG_PAL_MODE | ENV_FLAG_FEN;
 #endif
-- 
2.17.2