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Diffstat (limited to 'tcg/mips/tcg-target.h')
-rw-r--r--tcg/mips/tcg-target.h50
1 files changed, 29 insertions, 21 deletions
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index a438950bc1..43072e3342 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -77,6 +77,29 @@ typedef enum {
#define TCG_TARGET_CALL_STACK_OFFSET 16
#define TCG_TARGET_CALL_ALIGN_ARGS 1
+/* MOVN/MOVZ instructions detection */
+#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \
+ defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \
+ defined(_MIPS_ARCH_MIPS4)
+#define use_movnz_instructions 1
+#else
+extern bool use_movnz_instructions;
+#endif
+
+/* MIPS32 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 1)
+#define use_mips32_instructions 1
+#else
+extern bool use_mips32_instructions;
+#endif
+
+/* MIPS32R2 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
+#define use_mips32r2_instructions 1
+#else
+extern bool use_mips32r2_instructions;
+#endif
+
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
@@ -90,27 +113,12 @@ typedef enum {
#define TCG_TARGET_HAS_nand_i32 0
#define TCG_TARGET_HAS_muls2_i32 1
-/* optional instructions only implemented on MIPS4, MIPS32 and Loongson 2 */
-#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \
- defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \
- defined(_MIPS_ARCH_MIPS4)
-#define TCG_TARGET_HAS_movcond_i32 1
-#else
-#define TCG_TARGET_HAS_movcond_i32 0
-#endif
-
-/* optional instructions only implemented on MIPS32R2 */
-#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
-#define TCG_TARGET_HAS_bswap16_i32 1
-#define TCG_TARGET_HAS_bswap32_i32 1
-#define TCG_TARGET_HAS_rot_i32 1
-#define TCG_TARGET_HAS_deposit_i32 1
-#else
-#define TCG_TARGET_HAS_bswap16_i32 0
-#define TCG_TARGET_HAS_bswap32_i32 0
-#define TCG_TARGET_HAS_rot_i32 0
-#define TCG_TARGET_HAS_deposit_i32 0
-#endif
+/* optional instructions detected at runtime */
+#define TCG_TARGET_HAS_movcond_i32 use_movnz_instructions
+#define TCG_TARGET_HAS_bswap16_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_bswap32_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_deposit_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_rot_i32 use_mips32r2_instructions
/* optional instructions automatically implemented */
#define TCG_TARGET_HAS_neg_i32 0 /* sub rd, zero, rt */