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| author | Sandra Loosemore <sandra@codesourcery.com> | 2007-07-16 14:12:01 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2007-07-16 14:12:01 -0400 |
| commit | d56b9f12225da2bdee2c3b2b5da3a1482784ce36 (patch) | |
| tree | cf3417c7321ebd6b0afef62d1f1999bb37cb5aff /gcc/config/mips/24k.md | |
| parent | 0015c873f4b96d1c12632dd509da8472c8001a23 (diff) | |
| download | gcc-d56b9f12225da2bdee2c3b2b5da3a1482784ce36.zip gcc-d56b9f12225da2bdee2c3b2b5da3a1482784ce36.tar.gz gcc-d56b9f12225da2bdee2c3b2b5da3a1482784ce36.tar.bz2 | |
mips.h (TUNE_24K): Define.
2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
David Ung <davidu@mips.com>
gcc/
* config/mips/mips.h (TUNE_24K): Define.
(TUNE_MACC_CHAINS): Add TUNE_24K.
* config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
imadd.
* config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
(r74k_int_madd): .. this new reservation.
(define_bypass): Fixed bypasses for r74k_int_madd to use
mips_linked_madd_p.
* config/mips/24k.md (define_bypass): Define new
r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
gcc/testsuite/
* gcc.target/mips/mips-sched-madd.c: New test case.
Co-Authored-By: David Ung <davidu@mips.com>
From-SVN: r126688
Diffstat (limited to 'gcc/config/mips/24k.md')
| -rw-r--r-- | gcc/config/mips/24k.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config/mips/24k.md b/gcc/config/mips/24k.md index 7de816f..10fd79c 100644 --- a/gcc/config/mips/24k.md +++ b/gcc/config/mips/24k.md @@ -188,6 +188,9 @@ (define_bypass 6 "r24k_int_mul3" "r24k_int_store" "!store_data_bypass_p") (define_bypass 6 "r24k_int_mul3" "r24k_int_prefetch") +;; mul3->madd/msub : 1 cycle +(define_bypass 1 "r24k_int_mul3" "r24k_int_madd" "mips_linked_madd_p") + ;; mfhilo->next use : 5 cycles (default) ;; mfhilo->l/s base : 6 cycles ;; mfhilo->prefetch : 6 cycles |