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| author | Chao-ying Fu <fu@mips.com> | 2010-11-05 00:26:14 +0000 |
|---|---|---|
| committer | Chao-ying Fu <chaoyingfu@gcc.gnu.org> | 2010-11-05 00:26:14 +0000 |
| commit | 293b77b0578cf252c527d325913f08eadde5e2d5 (patch) | |
| tree | 6b8bba7d8f858fae48851ba021aa3c36731bd2e8 /gcc/configure.ac | |
| parent | 1ea3db46777d599b519d267897435760c4932f1d (diff) | |
| download | gcc-293b77b0578cf252c527d325913f08eadde5e2d5.zip gcc-293b77b0578cf252c527d325913f08eadde5e2d5.tar.gz gcc-293b77b0578cf252c527d325913f08eadde5e2d5.tar.bz2 | |
configure.ac: Test assembler support for DSP Rev1 mult.
2010-11-04 Chao-ying Fu <fu@mips.com>
* configure.ac: Test assembler support for DSP Rev1 mult.
* configure: Regenerate.
* config.in: Regenerate.
* config/mips/mips.h (ISA_HAS_DSP_MULT): New define.
* config/mips/mips.c (CODE_FOR_mips_mult): New define.
(CODE_FOR_mips_multu): New define.
(mips_builtins): Move madd, maddu, msub, msubu, mult, multu from
dspr2_32 to dsp_32.
(mips_mulsidi3_gen_fn): Test (TARGET_FIX_R4000 && !ISA_HAS_DSP).
Delete returns when ISA_HAS_DSPR2, because the old patterns are deleted.
* config/mips/mips-dsp.md (mips_madd<u>, mips_msub<u>):
New define_expand patterns.
* config/mips/constraints.md (ka): Update the constraint to test
ISA_HAS_DSP_MULT instead of ISA_HAS_DSPR2.
* config/mips/mips-dspr2.md (mips_madd<u>, mips_msub<u>, mips_mult,
mips_multu): Delete.
* config/mips/mips.md (<u>mulsidi3_32bit): Add comments.
Change target constraint to "ka".
Use (!TARGET_FIX_R4000 || ISA_HAS_DSP), instead of
(!TARGET_FIX_R4000 && !ISA_HAS_DSPR2).
Emit the accumulator destination when ISA_HAS_DSP_MULT.
(<u>msubsidi4): Add comments.
Test ISA_HAS_DSP.
Emit the accumulator destination when ISA_HAS_DSP_MULT.
(<u>maddsidi4): Likewise.
* doc/extend.texi (MIPS DSP Built-in Functions): Move madd, maddu,
msub, msubu, mult, multu built-in functions from DSP r2 to DSP r1.
From-SVN: r166344
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index cc40042..a61e5f1 100644 --- 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 |