configure: group all cpu-specific tests together

Originally committed as revision 19485 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -1996,7 +1996,55 @@ check_cc <<EOF && enable inline_asm
 void foo(void) { __asm__ volatile ("" ::); }
 EOF
 
-if enabled x86; then
+if enabled arm; then
+    check_ld <<EOF && enable vfp_args
+__asm__ (".eabi_attribute 28, 1");
+int main(void) { return 0; }
+EOF
+
+    # We have to check if pld is a nop and disable it.
+    check_asm pld '"pld [r0]"'
+
+    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
+    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
+    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
+    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
+    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
+    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
+elif enabled mips; then
+    check_asm loongson '"dmult.g $1, $2, $3"'
+    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
+elif enabled ppc; then
+    check_asm dcbzl     '"dcbzl 0, 1"'
+    check_asm ppc4xx    '"maclhw r10, r11, r12"'
+    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
+
+    # AltiVec flags: The FSF version of GCC differs from the Apple version
+    if enabled altivec; then
+        check_cflags -maltivec -mabi=altivec &&
+        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
+        check_cflags -faltivec
+
+        # check if our compiler supports Motorola AltiVec C API
+        check_cc <<EOF || disable altivec
+$inc_altivec_h
+int main(void) {
+    vector signed int v1, v2, v3;
+    v1 = vec_add(v2,v3);
+    return 0;
+}
+EOF
+
+        # check if our compiler supports braces for vector declarations
+        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
+$inc_altivec_h
+int main (void) { (vector int) {1}; return 0; }
+EOF
+    fi
+elif enabled sparc; then
+    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
+        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+elif enabled x86; then
     # check whether EBP is available on x86
     # As 'i' is stored on the stack, this program will crash
     # if the base pointer is used to access it because the
@@ -2041,57 +2089,6 @@ EOF
     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
 fi
 
-# check for assembler specific support
-
-enabled arm && check_ld <<EOF && enable vfp_args
-__asm__ (".eabi_attribute 28, 1");
-int main(void) { return 0; }
-EOF
-
-enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
-
-enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
-enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
-enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
-
-# check for SIMD availability
-
-# AltiVec flags: The FSF version of GCC differs from the Apple version
-if enabled altivec; then
-    check_cflags -maltivec -mabi=altivec &&
-        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
-        check_cflags -faltivec
-
-    # check if our compiler supports Motorola AltiVec C API
-    check_cc <<EOF || disable altivec
-$inc_altivec_h
-int main(void) {
-    vector signed int v1, v2, v3;
-    v1 = vec_add(v2,v3);
-    return 0;
-}
-EOF
-
-    # check if our compiler supports braces for vector declarations
-    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
-$inc_altivec_h
-int main (void) { (vector int) {1}; return 0; }
-EOF
-fi
-
-# We have to check if pld is a nop and disable it.
-enabled arm     && check_asm pld     '"pld [r0]"'
-enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
-enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
-enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
-enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
-enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
-enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
-enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
-enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
-
-enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
-
 check_cc <<EOF || die "endian test failed"
 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
 EOF