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tcg/mips: Add use_mips32r6_instructions definition

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Add definition use_mips32r6_instructions to the MIPS TCG backend which
is constant 1 when built for MIPS release 6. This will be used to decide
between pre-R6 and R6 instruction encodings.

Backports commit ce14bd4d469f3a14f6cbfceb6360aee066a60d72 from qemu
This commit is contained in:
James Hogan 2018-02-16 15:45:33 -05:00 committed by Lioncash
parent 9d3a2feea0
commit 7f1bc28513
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1 changed files with 7 additions and 0 deletions
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7
qemu/tcg/mips/tcg-target.h
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@ -96,6 +96,13 @@ extern bool use_mips32_instructions;
extern bool use_mips32r2_instructions;
#endif
/* MIPS32R6 instruction set detection */
#if defined(__mips_isa_rev) && (__mips_isa_rev >= 6)
#define use_mips32r6_instructions 1
#else
#define use_mips32r6_instructions 0
#endif
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1