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| author | Michael Meissner <meissner@linux.ibm.com> | 2019-12-17 22:16:40 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2019-12-17 22:16:40 +0000 |
| commit | ef759fd121558455cd45d15e3bcf5e66279d6251 (patch) | |
| tree | cfad2a1ecf8a16859f58cd97f79a5164540da827 /gcc | |
| parent | a50e038893fe801178f71f09bda01910df50394e (diff) | |
| download | gcc-ef759fd121558455cd45d15e3bcf5e66279d6251.zip gcc-ef759fd121558455cd45d15e3bcf5e66279d6251.tar.gz gcc-ef759fd121558455cd45d15e3bcf5e66279d6251.tar.bz2 | |
Use PLI to load up 32-bit SImode constants if -mcpu=future.
2019-12-17 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000.md (movsi_internal1): Add alternative to
use PLI to load up 32-bit constants if -mcpu=future.
From-SVN: r279475
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 16 |
2 files changed, 10 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 233771c..f8b3ef2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -4,6 +4,8 @@ constant can be loaded with PLI if -mcpu=future. * config/rs6000/rs6000.md (movdi_internal64): Add alternative to use PLI to load up 34-bit constants if -mcpu=future. + (movsi_internal1): Add alternative to use PLI to load up 32-bit + constants if -mcpu=future. 2019-12-17 Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 3181983..6e12d62 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -6892,7 +6892,7 @@ ;; MR LA ;; LWZ LFIWZX LXSIWZX ;; STW STFIWX STXSIWX -;; LI LIS # +;; LI LIS PLI # ;; XXLOR XXSPLTIB 0 XXSPLTIB -1 VSPLTISW ;; XXLXOR 0 XXLORC -1 P9 const ;; MTVSRWZ MFVSRWZ @@ -6903,7 +6903,7 @@ "=r, r, r, d, v, m, Z, Z, - r, r, r, + r, r, r, r, wa, wa, wa, v, wa, v, v, wa, r, @@ -6912,7 +6912,7 @@ "r, U, m, Z, Z, r, d, v, - I, L, n, + I, L, eI, n, wa, O, wM, wB, O, wM, wS, r, wa, @@ -6930,6 +6930,7 @@ stxsiwx %x1,%y0 li %0,%1 lis %0,%v1 + li %0,%1 # xxlor %x0,%x1,%x1 xxspltib %x0,0 @@ -6947,7 +6948,7 @@ "*, *, load, fpload, fpload, store, fpstore, fpstore, - *, *, *, + *, *, *, *, veclogical, vecsimple, vecsimple, vecsimple, veclogical, veclogical, vecsimple, mffgpr, mftgpr, @@ -6956,7 +6957,7 @@ "*, *, *, *, *, *, *, *, - *, *, 8, + *, *, *, 8, *, *, *, *, *, *, 8, *, *, @@ -6965,7 +6966,7 @@ "*, *, *, p8v, p8v, *, p8v, p8v, - *, *, *, + *, *, fut, *, p8v, p9v, p9v, p8v, p9v, p8v, p9v, p8v, p8v, @@ -7120,8 +7121,7 @@ (define_split [(set (match_operand:SI 0 "gpc_reg_operand") (match_operand:SI 1 "const_int_operand"))] - "(unsigned HOST_WIDE_INT) (INTVAL (operands[1]) + 0x8000) >= 0x10000 - && (INTVAL (operands[1]) & 0xffff) != 0" + "num_insns_constant (operands[1], SImode) > 1" [(set (match_dup 0) (match_dup 2)) (set (match_dup 0) |