PR target/45670

[pf3gnuchains/gcc-fork.git] / gcc / configure.ac

diff --git a/gcc/configure.ac b/gcc/configure.ac
index cc40042..a61e5f1 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -3654,6 +3654,20 @@ x:
       [AC_DEFINE(HAVE_AS_DTPRELWORD, 1,
          [Define if your assembler supports .dtprelword.])])
 
+    gcc_GAS_CHECK_FEATURE([DSPR1 mult with four accumulators support],
+      gcc_cv_as_mips_dspr1_mult,,,
+[      .set    mips32r2
+       .set    nodspr2
+       .set    dsp
+       madd    $ac3,$4,$5
+       maddu   $ac3,$4,$5
+       msub    $ac3,$4,$5
+       msubu   $ac3,$4,$5
+       mult    $ac3,$4,$5
+       multu   $ac3,$4,$5],,
+      [AC_DEFINE(HAVE_AS_DSPR1_MULT, 1,
+         [Define if your assembler supports DSPR1 mult.])])
+
     AC_MSG_CHECKING(assembler and linker for explicit JALR relocation)
     gcc_cv_as_ld_jalr_reloc=no
     if test $gcc_cv_as_mips_explicit_relocs = yes; then