Remove 32-bit host support

[PATCH 43/50] target/m68k: Drop CONFIG_ATOMIC64 tests

Richard Henderson posted 50 patches 2 days, 5 hours ago

Download mbox

Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Daniel P. Berrangé" <berrange@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony PERARD <anthony@xenproject.org>, Paul Durrant <paul@xen.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, David Hildenbrand <david@kernel.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Peter Xu <peterx@redhat.com>, Li Zhijian <lizhijian@fujitsu.com>, Hyman Huang <yong.huang@smartx.com>, Peter Maydell <peter.maydell@linaro.org>, Helge Deller <deller@gmx.de>, Zhao Liu <zhao1.liu@intel.com>, Eduardo Habkost <eduardo@habkost.net>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Ilya Leoshkevich <iii@linux.ibm.com>, WANG Xuerui <git@xen0n.name>, Stefan Weil <sw@weilnetz.de>

Expand all Fold all

[PATCH 43/50] target/m68k: Drop CONFIG_ATOMIC64 tests

Posted by Richard Henderson 2 days, 5 hours ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/m68k/op_helper.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c
index e9c20a8e03..3f1d943afe 100644
--- a/target/m68k/op_helper.c
+++ b/target/m68k/op_helper.c
@@ -816,14 +816,11 @@ static void do_cas2l(CPUM68KState *env, uint32_t regs, uint32_t a1, uint32_t a2,
     uint32_t u2 = env->dregs[Du2];
     uint32_t l1, l2;
     uintptr_t ra = GETPC();
-#if defined(CONFIG_ATOMIC64)
     int mmu_idx = cpu_mmu_index(env_cpu(env), 0);
     MemOpIdx oi = make_memop_idx(MO_BEUQ, mmu_idx);
-#endif
 
     if (parallel) {
         /* We're executing in a parallel context -- must be atomic.  */
-#ifdef CONFIG_ATOMIC64
         uint64_t c, u, l;
         if ((a1 & 7) == 0 && a2 == a1 + 4) {
             c = deposit64(c2, 32, 32, c1);
@@ -837,9 +834,7 @@ static void do_cas2l(CPUM68KState *env, uint32_t regs, uint32_t a1, uint32_t a2,
             l = cpu_atomic_cmpxchgq_be_mmu(env, a2, c, u, oi, ra);
             l2 = l >> 32;
             l1 = l;
-        } else
-#endif
-        {
+        } else {
             /* Tell the main loop we need to serialize this insn.  */
             cpu_loop_exit_atomic(env_cpu(env), ra);
         }
-- 
2.43.0

Re: [PATCH 43/50] target/m68k: Drop CONFIG_ATOMIC64 tests

Posted by Pierrick Bouvier 1 day, 13 hours ago

On 1/7/26 9:30 PM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/m68k/op_helper.c | 7 +------
>   1 file changed, 1 insertion(+), 6 deletions(-)
> 

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>