---
gcc/config/riscv/mips-p8700.md | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/gcc/config/riscv/mips-p8700.md b/gcc/config/riscv/mips-p8700.md
index 11d0b1ca793..ae0ea8dc896 100644
--- a/gcc/config/riscv/mips-p8700.md
+++ b/gcc/config/riscv/mips-p8700.md
@@ -35,6 +35,11 @@
;; Long FPU pipeline.
(define_cpu_unit "mips_p8700_fpu_apu" "mips_p8700_fpu_pipe")
+;; P8700 unsupported insns are mapped to dummies reservations
+(define_reservation "mips_p8700_dummies"
+ "mips_p8700_agq | mips_p8700_al2 | mips_p8700_ctistd | mips_p8700_lsu |
+ mips_p8700_fpu_short | mips_p8700_fpu_long")
+
(define_reservation "mips_p8700_agq_al2" "mips_p8700_agq, mips_p8700_al2")
(define_reservation "mips_p8700_agq_ctistd" "mips_p8700_agq,
mips_p8700_ctistd")
(define_reservation "mips_p8700_agq_lsu" "mips_p8700_agq, mips_p8700_lsu")
@@ -137,3 +142,26 @@
(and (eq_attr "tune" "mips_p8700")
(eq_attr "type" "call,jalr"))
"mips_p8700_agq_ctistd")
+
+;; mips-p8700 dummies insn and placeholder that had no mapping to p8700
hardware.
+(define_insn_reservation "mips_p8700_unknown" 1
+ (and (eq_attr "tune" "mips_p8700")
+ (eq_attr "type" "rdvlenb,rdvl,wrvxrm,wrfrm,
+ rdfrm,vsetvl,vsetvl_pre,vlde,vste,vldm,vstm,vlds,vsts,
+ vldux,vldox,vstux,vstox,vldff,vldr,vstr,
+
vlsegde,vssegte,vlsegds,vssegts,vlsegdux,vlsegdox,vssegtux,vssegtox,vlsegdff,
+ vialu,viwalu,vext,vicalu,vshift,vnshift,vicmp,viminmax,
+ vimul,vidiv,viwmul,vimuladd,sf_vqmacc,viwmuladd,vimerge,vimov,
+ vsalu,vaalu,vsmul,vsshift,vnclip,sf_vfnrclip,
+ vfalu,vfwalu,vfmul,vfdiv,vfwmul,vfmuladd,vfwmuladd,vfsqrt,vfrecp,
+ vfcmp,vfminmax,vfsgnj,vfclass,vfmerge,vfmov,
+ vfcvtitof,vfcvtftoi,vfwcvtitof,vfwcvtftoi,
+ vfwcvtftof,vfncvtitof,vfncvtftoi,vfncvtftof,
+ vired,viwred,vfredu,vfredo,vfwredu,vfwredo,
+ vmalu,vmpop,vmffs,vmsfs,vmiota,vmidx,vimovvx,vimovxv,vfmovvf,vfmovfv,
+ vslideup,vslidedown,vislide1up,vislide1down,vfslide1up,vfslide1down,
+
vgather,vcompress,vmov,vector,vandn,vbrev,vbrev8,vrev8,vclz,vctz,vcpop,vrol,vror,vwsll,
+
vclmul,vclmulh,vghsh,vgmul,vaesef,vaesem,vaesdf,vaesdm,vaeskf1,vaeskf2,vaesz,
+
vsha2ms,vsha2ch,vsha2cl,vsm4k,vsm4r,vsm3me,vsm3c,vfncvtbf16,vfwcvtbf16,vfwmaccbf16,
+ sf_vc,sf_vc_se"))
+ "mips_p8700_dummies")
--
2.43.0
