The 32-bit wasm32 host is no longer supported.

Reviewed-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 configure   | 5 +----
 meson.build | 6 +++---
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/configure b/configure
index 326d27dab1..ba1b207b56 100755
--- a/configure
+++ b/configure
@@ -425,7 +425,7 @@ elif check_define __aarch64__ ; then
 elif check_define __loongarch64 ; then
   cpu="loongarch64"
 elif check_define EMSCRIPTEN ; then
-  error_exit "wasm32 or wasm64 must be specified to the cpu flag"
+  error_exit "wasm64 must be specified to the cpu flag"
 else
   # Using uname is really broken, but it is just a fallback for architectures
   # that are going to use TCI anyway
@@ -523,9 +523,6 @@ case "$cpu" in
     linux_arch=x86
     CPU_CFLAGS="-m64"
     ;;
-  wasm32)
-    CPU_CFLAGS="-m32"
-    ;;
   wasm64)
     CPU_CFLAGS="-m64 -sMEMORY64=$wasm64_memory64"
     ;;
diff --git a/meson.build b/meson.build
index 28f61be675..082c7a86ca 100644
--- a/meson.build
+++ b/meson.build
@@ -51,7 +51,7 @@ qapi_trace_events = []
 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux', 'emscripten']
 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
-  'arm', 'aarch64', 'loongarch64', 'mips64', 'sparc64', 'wasm32', 'wasm64']
+  'arm', 'aarch64', 'loongarch64', 'mips64', 'sparc64', 'wasm64']
 
 cpu = host_machine.cpu_family()
 
@@ -927,7 +927,7 @@ if have_tcg
     if not get_option('tcg_interpreter')
       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
     endif
-  elif host_arch == 'wasm32' or host_arch == 'wasm64'
+  elif host_arch == 'wasm64'
     if not get_option('tcg_interpreter')
       error('WebAssembly host requires --enable-tcg-interpreter')
     endif
@@ -4248,7 +4248,7 @@ if have_rust
     bindgen_args_common += ['--merge-extern-blocks']
   endif
   bindgen_c_args = []
-  if host_arch == 'wasm32'
+  if host_arch == 'wasm64'
     bindgen_c_args += ['-fvisibility=default']
   endif
   subdir('rust')
-- 
2.43.0