When a variable size is known, prefer the address_space_ld/st()
API. Keep address_space_read/write() for blobs.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20260109165058.59144-23-philmd@linaro.org>
---
 system/ioport.c | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/system/ioport.c b/system/ioport.c
index 4b94f2f8111..9209bff2eab 100644
--- a/system/ioport.c
+++ b/system/ioport.c
@@ -62,58 +62,50 @@ const MemoryRegionOps unassigned_io_ops = {
 void cpu_outb(uint32_t addr, uint8_t val)
 {
     trace_cpu_out(addr, 'b', val);
-    address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED,
-                        &val, 1);
+    address_space_stb(&address_space_io, addr, val,
+                      MEMTXATTRS_UNSPECIFIED, NULL);
 }
 
 void cpu_outw(uint32_t addr, uint16_t val)
 {
-    uint8_t buf[2];
-
     trace_cpu_out(addr, 'w', val);
-    stw_le_p(buf, val);
-    address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED,
-                        buf, 2);
+    address_space_stw_le(&address_space_io, addr, val,
+                         MEMTXATTRS_UNSPECIFIED, NULL);
 }
 
 void cpu_outl(uint32_t addr, uint32_t val)
 {
-    uint8_t buf[4];
-
     trace_cpu_out(addr, 'l', val);
-    stl_le_p(buf, val);
-    address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED,
-                        buf, 4);
+    address_space_stl_le(&address_space_io, addr, val,
+                         MEMTXATTRS_UNSPECIFIED, NULL);
 }
 
 uint8_t cpu_inb(uint32_t addr)
 {
     uint8_t val;
 
-    address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED,
-                       &val, 1);
+    val = address_space_ldub(&address_space_io, addr,
+                             MEMTXATTRS_UNSPECIFIED, NULL);
     trace_cpu_in(addr, 'b', val);
     return val;
 }
 
 uint16_t cpu_inw(uint32_t addr)
 {
-    uint8_t buf[2];
     uint16_t val;
 
-    address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, buf, 2);
-    val = lduw_le_p(buf);
+    val = address_space_lduw_le(&address_space_io, addr,
+                                MEMTXATTRS_UNSPECIFIED, NULL);
     trace_cpu_in(addr, 'w', val);
     return val;
 }
 
 uint32_t cpu_inl(uint32_t addr)
 {
-    uint8_t buf[4];
     uint32_t val;
 
-    address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, buf, 4);
-    val = ldl_le_p(buf);
+    val = address_space_ldl_le(&address_space_io, addr,
+                               MEMTXATTRS_UNSPECIFIED, NULL);
     trace_cpu_in(addr, 'l', val);
     return val;
 }
-- 
2.52.0