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[PATCH v6 10/14] target/riscv: Add a REQUIRE_32BIT macro
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From: |
Philipp Tomsich |
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Subject: |
[PATCH v6 10/14] target/riscv: Add a REQUIRE_32BIT macro |
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Date: |
Wed, 25 Aug 2021 18:59:03 +0200 |
With the changes to Zb[abcs], there's some encodings that are
different in RV64 and RV32 (e.g., for rev8 and zext.h). For these,
we'll need a helper macro allowing us to select on RV32, as well.
Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
(no changes since v3)
Changes in v3:
- Moved the REQUIRE_32BIT macro into a separate commit.
target/riscv/translate.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 5c099ff007..aabdd44663 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -417,6 +417,12 @@ EX_SH(12)
} \
} while (0)
+#define REQUIRE_32BIT(ctx) do { \
+ if (!is_32bit(ctx)) { \
+ return false; \
+ } \
+} while (0)
+
#define REQUIRE_64BIT(ctx) do { \
if (is_32bit(ctx)) { \
return false; \
--
2.25.1
- [PATCH v6 03/14] target/riscv: slli.uw is only a valid encoding if shamt first in 64 bits, (continued)
- [PATCH v6 03/14] target/riscv: slli.uw is only a valid encoding if shamt first in 64 bits, Philipp Tomsich, 2021/08/25
- [PATCH v6 06/14] target/riscv: Reassign instructions to the Zbs-extension, Philipp Tomsich, 2021/08/25
- [PATCH v6 07/14] target/riscv: Add instructions of the Zbc-extension, Philipp Tomsich, 2021/08/25
- [PATCH v6 08/14] target/riscv: Reassign instructions to the Zbb-extension, Philipp Tomsich, 2021/08/25
- [PATCH v6 11/14] target/riscv: Add rev8 instruction, removing grev/grevi, Philipp Tomsich, 2021/08/25
- [PATCH v6 10/14] target/riscv: Add a REQUIRE_32BIT macro,
Philipp Tomsich <=
- [PATCH v6 13/14] target/riscv: Remove RVB (replaced by Zb[abcs], Philipp Tomsich, 2021/08/25
- [PATCH v6 14/14] disas/riscv: Add Zb[abcs] instructions, Philipp Tomsich, 2021/08/25
- [PATCH v6 09/14] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci, Philipp Tomsich, 2021/08/25
- [PATCH v6 12/14] target/riscv: Add zext.h instructions to Zbb, removing pack/packu/packh, Philipp Tomsich, 2021/08/25