diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 4 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 13 |
3 files changed, 18 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6267594..233771c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-12-17 Michael Meissner <meissner@linux.ibm.com> + + * config/rs6000/rs6000.c (num_insns_constant_gpr): Return 1 if the + 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. + 2019-12-17 Jakub Jelinek <jakub@redhat.com> PR target/92841 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 6f0c7fa..002a8d8 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -5565,6 +5565,10 @@ num_insns_constant_gpr (HOST_WIDE_INT value) && (value >> 31 == -1 || value >> 31 == 0)) return 1; + /* PADDI can support up to 34 bit signed integers. */ + else if (TARGET_PREFIXED_ADDR && SIGNED_34BIT_OFFSET_P (value)) + return 1; + else if (TARGET_POWERPC64) { HOST_WIDE_INT low = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000; diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 4a6416e..3181983 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -8828,7 +8828,7 @@ }) ;; GPR store GPR load GPR move -;; GPR li GPR lis GPR # +;; GPR li GPR lis GPR pli GPR # ;; FPR store FPR load FPR move ;; AVX store AVX store AVX load AVX load VSX move ;; P9 0 P9 -1 AVX 0/-1 VSX 0 VSX -1 @@ -8838,7 +8838,7 @@ (define_insn "*movdi_internal64" [(set (match_operand:DI 0 "nonimmediate_operand" "=YZ, r, r, - r, r, r, + r, r, r, r, m, ^d, ^d, wY, Z, $v, $v, ^wa, wa, wa, v, wa, wa, @@ -8847,7 +8847,7 @@ ?r, ?wa") (match_operand:DI 1 "input_operand" "r, YZ, r, - I, L, nF, + I, L, eI, nF, ^d, m, ^d, ^v, $v, wY, Z, ^wa, Oj, wM, OjwM, Oj, wM, @@ -8863,6 +8863,7 @@ mr %0,%1 li %0,%1 lis %0,%v1 + li %0,%1 # stfd%U0%X0 %1,%0 lfd%U1%X1 %0,%1 @@ -8886,7 +8887,7 @@ mtvsrd %x0,%1" [(set_attr "type" "store, load, *, - *, *, *, + *, *, *, *, fpstore, fpload, fpsimple, fpstore, fpstore, fpload, fpload, veclogical, vecsimple, vecsimple, vecsimple, veclogical, veclogical, @@ -8896,7 +8897,7 @@ (set_attr "size" "64") (set_attr "length" "*, *, *, - *, *, 20, + *, *, *, 20, *, *, *, *, *, *, *, *, *, *, *, *, *, @@ -8905,7 +8906,7 @@ *, *") (set_attr "isa" "*, *, *, - *, *, *, + *, *, fut, *, *, *, *, p9v, p7v, p9v, p7v, *, p9v, p9v, p7v, *, *, |