[Pixman] [PATCH 02/11] MIPS: DSPr2: Removed build restrictions and repair compiler's check

Nemanja Lukic nemanja.lukic at rt-rk.com
Mon Oct 28 10:04:40 PDT 2013


---
 configure.ac |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 8a3b622..8764f7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -719,25 +719,21 @@ dnl Check if assembler is gas compatible and supports MIPS DSPr2 instructions
 
 have_mips_dspr2=no
 AC_MSG_CHECKING(whether to use MIPS DSPr2 assembler)
-xserver_save_CFLAGS=$CFLAGS
-CFLAGS="-mdspr2 $CFLAGS"
 
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#if !(defined(__mips__) &&  __mips_isa_rev >= 2)
-#error MIPS DSPr2 is currently only available on MIPS32r2 platforms.
-#endif
 int
 main ()
 {
     int c = 0, a = 0, b = 0;
     __asm__ __volatile__ (
+        ".set        arch=mips32r2             \n\t"
+        ".set        dspr2                     \n\t"
         "precr.qb.ph %[c], %[a], %[b]          \n\t"
         : [c] "=r" (c)
         : [a] "r" (a), [b] "r" (b)
     );
     return c;
 }]])], have_mips_dspr2=yes)
-CFLAGS=$xserver_save_CFLAGS
 
 AC_ARG_ENABLE(mips-dspr2,
    [AC_HELP_STRING([--disable-mips-dspr2],
-- 
1.7.3



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