[PATCH v2 10/36] tcg: Move TCG_{LOW,HIGH} to tcg-internal.h

[Richard Henderson]

Move the error-generating fallback from tcg-op.c, and
replace "_link_error" with modern QEMU_ERROR markup.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/tcg/tcg.h  | 12 ------------
 tcg/tcg-internal.h | 14 ++++++++++++++
 tcg/tcg-op.c       | 10 +---------
 3 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 5c2254ce9f..d207bc47be 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -737,18 +737,6 @@ static inline TCGv_vec temp_tcgv_vec(TCGTemp *t)
     return (TCGv_vec)temp_tcgv_i32(t);
 }
 
-#if TCG_TARGET_REG_BITS == 32
-static inline TCGv_i32 TCGV_LOW(TCGv_i64 t)
-{
-    return temp_tcgv_i32(tcgv_i64_temp(t));
-}
-
-static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t)
-{
-    return temp_tcgv_i32(tcgv_i64_temp(t) + 1);
-}
-#endif
-
 static inline TCGArg tcg_get_insn_param(TCGOp *op, int arg)
 {
     return op->args[arg];
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h
index cc82088d52..a9ea27f67a 100644
--- a/tcg/tcg-internal.h
+++ b/tcg/tcg-internal.h
@@ -59,4 +59,18 @@ static inline unsigned tcg_call_flags(TCGOp *op)
     return tcg_call_info(op)->flags;
 }
 
+#if TCG_TARGET_REG_BITS == 32
+static inline TCGv_i32 TCGV_LOW(TCGv_i64 t)
+{
+    return temp_tcgv_i32(tcgv_i64_temp(t));
+}
+static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t)
+{
+    return temp_tcgv_i32(tcgv_i64_temp(t) + 1);
+}
+#else
+extern TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable");
+extern TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is 
reachable");
+#endif
+
 #endif /* TCG_INTERNAL_H */
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 019fab00cc..3ed98ffa01 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -28,16 +28,8 @@
 #include "tcg/tcg-op.h"
 #include "tcg/tcg-mo.h"
 #include "exec/plugin-gen.h"
+#include "tcg-internal.h"
 
-/* Reduce the number of ifdefs below.  This assumes that all uses of
-   TCGV_HIGH and TCGV_LOW are properly protected by a conditional that
-   the compiler can eliminate.  */
-#if TCG_TARGET_REG_BITS == 64
-extern TCGv_i32 TCGV_LOW_link_error(TCGv_i64);
-extern TCGv_i32 TCGV_HIGH_link_error(TCGv_i64);
-#define TCGV_LOW  TCGV_LOW_link_error
-#define TCGV_HIGH TCGV_HIGH_link_error
-#endif
 
 void tcg_gen_op1(TCGOpcode opc, TCGArg a1)
 {
-- 
2.34.1