diff options
Diffstat (limited to 'gcc/config/sparc/sparc.md')
| -rw-r--r-- | gcc/config/sparc/sparc.md | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index be7bbe9..b3fb2eb 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -96,13 +96,19 @@ (define_c_enum "unspecv" [ UNSPECV_BLOCKAGE + UNSPECV_PROBE_STACK_RANGE + UNSPECV_FLUSHW - UNSPECV_FLUSH UNSPECV_SAVEW - UNSPECV_CAS - UNSPECV_SWAP + + UNSPECV_FLUSH + UNSPECV_LDSTUB - UNSPECV_PROBE_STACK_RANGE + UNSPECV_SWAP + UNSPECV_CAS + + UNSPECV_LDFSR + UNSPECV_STFSR ]) (define_constants @@ -6783,22 +6789,26 @@ ;; Special pattern for the FLUSH instruction. -; We do SImode and DImode versions of this to quiet down genrecog's complaints -; of the define_insn otherwise missing a mode. We make "flush", aka -; gen_flush, the default one since sparc_initialize_trampoline uses -; it on SImode mem values. - -(define_insn "flush" - [(unspec_volatile [(match_operand:SI 0 "memory_operand" "m")] UNSPECV_FLUSH)] +(define_insn "flush<P:mode>" + [(unspec_volatile [(match_operand:P 0 "memory_operand" "m")] UNSPECV_FLUSH)] "" { return TARGET_V9 ? "flush\t%f0" : "iflush\t%f0"; } [(set_attr "type" "iflush")]) -(define_insn "flushdi" - [(unspec_volatile [(match_operand:DI 0 "memory_operand" "m")] UNSPECV_FLUSH)] - "" - { return TARGET_V9 ? "flush\t%f0" : "iflush\t%f0"; } - [(set_attr "type" "iflush")]) +;; Special insns to load and store the 32-bit FP Status Register. + +(define_insn "ldfsr" + [(unspec_volatile [(match_operand:SI 0 "memory_operand" "m")] UNSPECV_LDFSR)] + "TARGET_FPU" + "ld\t%0, %%fsr" + [(set_attr "type" "load")]) + +(define_insn "stfsr" + [(set (match_operand:SI 0 "memory_operand" "=m") + (unspec_volatile:SI [(const_int 0)] UNSPECV_STFSR))] + "TARGET_FPU" + "st\t%%fsr, %0" + [(set_attr "type" "store")]) ;; Find first set instructions. |