Merge remote-tracking branch 'remotes/philmd/tags/mips-20210625' into staging

MIPS patches queue

Various fixes:
- Potential integer overflow (CID 1452921)
- Invalid emulation of nanoMIPS BPOSGE32 o

Merge remote-tracking branch 'remotes/philmd/tags/mips-20210625' into staging

MIPS patches queue

Various fixes:
- Potential integer overflow (CID 1452921)
- Invalid emulation of nanoMIPS BPOSGE32 opcode
- Missing exception when DINSV opcode used with DSP disabled
- Do not abort but emit exception for invalid BRANCH opcodes
- TCG temporary leaks

Housekeeping:
- Remove dead code / comments
- Restrict few files to TCG, declarations to sysemu
- Merge MSA32 and MSA64 decodetree definitions

# gpg: Signature made Fri 25 Jun 2021 10:22:20 BST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd/tags/mips-20210625:
target/mips: Merge msa32/msa64 decodetree definitions
target/mips: Remove pointless gen_msa()
target/mips: Optimize regnames[] arrays
target/mips: Constify host_to_mips_errno[]
target/mips: fix emulation of nanoMIPS BPOSGE32 instruction
target/mips: Remove microMIPS BPOSGE32 / BPOSGE64 unuseful cases
target/mips: Remove SmartMIPS / MDMX unuseful comments
target/mips: Restrict some system specific declarations to sysemu
target/mips: Move translate.h to tcg/ sub directory
target/mips: Move TCG trace events to tcg/ sub directory
target/mips: Do not abort on invalid instruction
target/mips: Raise exception when DINSV opcode used with DSP disabled
target/mips: Fix more TCG temporary leaks in gen_pool32a5_nanomips_insn
target/mips: Fix TCG temporary leaks in gen_pool32a5_nanomips_insn()
target/mips: Fix potential integer overflow (CID 1452921)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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target/mips: Move TCG trace events to tcg/ sub directory

Commit a2b0a27d33e ("target/mips: Move TCG source files under
tcg/ sub directory") forgot to move the trace-event file.
As it only contains T

target/mips: Move TCG trace events to tcg/ sub directory

Commit a2b0a27d33e ("target/mips: Move TCG source files under
tcg/ sub directory") forgot to move the trace-event file.
As it only contains TCG events, move it for consistency.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210617174323.2900831-4-f4bug@amsat.org>

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