On 4/5/21 7:31 AM, cupertinomira...@gmail.com wrote:
+ if(ctx->insn.limm & 0x80000000)
+ ctx->insn.limm += 0xffffffff00000000;
(1) bad braces, but
(2) use an unconditional cast to int32_t.
Qemu forces the compiler to use standard 2's compliment arithmetic. We don't
have to go out of our way to work around the ISO-C lunacy of "undefined values"
that for no good reason still allows sign-magnitude and 1's compliment arithmetic.
+ if (ctx->insn.cc) {
+ TCGv cc = tcg_temp_local_new();
+ arc_gen_verifyCCFlag(ctx, cc);
+ tcg_gen_brcondi_tl(TCG_COND_NE, cc, 1, done);
+ tcg_temp_free(cc);
+ }
+
Lots of non-uses of gen_cc_prologue/epilogue.
r~
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