================
@@ -332,4 +350,43 @@ void x86::getX86TargetFeatures(const Driver &D, const
llvm::Triple &Triple,
if (A->getOption().matches(options::OPT_m3dnow))
D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
}
+
+ // Handle features corresponding to "-ffixed-X" options
+#define RESERVE_REG(REG)
\
+ if (Args.hasArg(options::OPT_ffixed_##REG))
\
+ Features.push_back("+reserve-" #REG);
+ RESERVE_REG(r8)
+ RESERVE_REG(r9)
+ RESERVE_REG(r10)
+ RESERVE_REG(r11)
+ RESERVE_REG(r12)
+ RESERVE_REG(r13)
+ RESERVE_REG(r14)
+ RESERVE_REG(r15)
+#define RESERVE_EGPR(REG) \
+ if (Args.hasArg(options::OPT_ffixed_##REG)) { \
+ if (!HasEGPR) \
+ D.Diag(diag::err_drv_unsupported_opt_for_target) \
+ << "-ffixed-" #REG << Triple.getTriple(); \
+ else \
+ Features.push_back("+reserve-" #REG); \
+ }
+ RESERVE_EGPR(r16)
+ RESERVE_EGPR(r17)
+ RESERVE_EGPR(r18)
+ RESERVE_EGPR(r19)
+ RESERVE_EGPR(r20)
+ RESERVE_EGPR(r21)
+ RESERVE_EGPR(r22)
+ RESERVE_EGPR(r23)
+ RESERVE_EGPR(r24)
+ RESERVE_EGPR(r25)
+ RESERVE_EGPR(r26)
+ RESERVE_EGPR(r27)
+ RESERVE_EGPR(r28)
+ RESERVE_EGPR(r29)
+ RESERVE_EGPR(r30)
+ RESERVE_EGPR(r31)
+#undef RESERVE_EGPR
+#undef RESERVE_REG
----------------
RKSimon wrote:
clang-format this to appease the CI?
https://github.com/llvm/llvm-project/pull/180242
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