78c1c35437
This patch adds semantic RTL descriptions to the eBPF instructions
defined in cpu/bpf.cpu. It also contains a couple of minor
improvements.
Tested in bpf-unknown-none targets.
No regressions.
cpu/ChangeLog:
2020-05-28 Jose E. Marchesi <jose.marchesi@oracle.com>
David Faust <david.faust@oracle.com>
* bpf.cpu (define-alu-insn-un): Add definitions of semantics.
(define-alu-insn-mov): Likewise.
(daib): Likewise.
(define-alu-instructions): Likewise.
(define-endian-insn): Likewise.
(define-lddw): Likewise.
(dlabs): Likewise.
(dlind): Likewise.
(dxli): Likewise.
(dxsi): Likewise.
(dsti): Likewise.
(define-ldstx-insns): Likewise.
(define-st-insns): Likewise.
(define-cond-jump-insn): Likewise.
(dcji): Likewise.
(define-condjump-insns): Likewise.
(define-call-insn): Likewise.
(ja): Likewise.
("exit"): Likewise.
(define-atomic-insns): Likewise.
(sem-exchange-and-add): New macro.
* bpf.cpu ("brkpt"): New instruction.
(bpfbf): Set word-bitsize to 32 and insn-endian big.
(h-gpr): Prefer r0 to `a' and r6 to `ctx'.
(h-pc): Expand definition.
* bpf.opc (bpf_print_insn): Set endian_code to BIG.
opcodes/ChangeLog:
2020-05-28 Jose E. Marchesi <jose.marchesi@oracle.com>
David Faust <david.faust@oracle.com>
* bpf-desc.c: Regenerate.
* bpf-opc.h: Likewise.
* bpf-opc.c: Likewise.
* bpf-dis.c: Likewise.
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|---|---|---|
| .. | ||
| bpf.cpu | ||
| bpf.opc | ||
| ChangeLog | ||
| cris.cpu | ||
| epiphany.cpu | ||
| epiphany.opc | ||
| fr30.cpu | ||
| fr30.opc | ||
| frv.cpu | ||
| frv.opc | ||
| ip2k.cpu | ||
| ip2k.opc | ||
| iq10.cpu | ||
| iq2000.cpu | ||
| iq2000.opc | ||
| iq2000m.cpu | ||
| lm32.cpu | ||
| lm32.opc | ||
| m32c.cpu | ||
| m32c.opc | ||
| m32r.cpu | ||
| m32r.opc | ||
| mep-avc2.cpu | ||
| mep-avc.cpu | ||
| mep-c5.cpu | ||
| mep-core.cpu | ||
| mep-default.cpu | ||
| mep-ext-cop.cpu | ||
| mep-fmax.cpu | ||
| mep-h1.cpu | ||
| mep-ivc2.cpu | ||
| mep-rhcop.cpu | ||
| mep-sample-ucidsp.cpu | ||
| mep.cpu | ||
| mep.opc | ||
| mt.cpu | ||
| mt.opc | ||
| or1k.cpu | ||
| or1k.opc | ||
| or1kcommon.cpu | ||
| or1korbis.cpu | ||
| or1korfpx.cpu | ||
| sh64-compact.cpu | ||
| sh64-media.cpu | ||
| sh.cpu | ||
| sh.opc | ||
| simplify.inc | ||
| xc16x.cpu | ||
| xc16x.opc | ||
| xstormy16.cpu | ||
| xstormy16.opc | ||