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[Qemu-devel] [PATCH v3 2/3] tcg/mips: inline bswap16/bswap32 ops
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v3 2/3] tcg/mips: inline bswap16/bswap32 ops |
Date: |
Thu, 29 Aug 2013 22:51:24 +0200 |
Use an inline version for the bswap16 and bswap32 ops to avoid
testing for MIPS32R2 instructions availability, as these ops are
only available in that case.
Signed-off-by: Aurelien Jarno <address@hidden>
---
tcg/mips/tcg-target.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 9b518c2..daaf722 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -1506,13 +1506,12 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode
opc,
}
break;
- /* The bswap routines do not work on non-R2 CPU. In that case
- we let TCG generating the corresponding code. */
case INDEX_op_bswap16_i32:
- tcg_out_bswap16(s, args[0], args[1]);
+ tcg_out_opc_reg(s, OPC_WSBH, args[0], 0, args[1]);
break;
case INDEX_op_bswap32_i32:
- tcg_out_bswap32(s, args[0], args[1]);
+ tcg_out_opc_reg(s, OPC_WSBH, args[0], 0, args[1]);
+ tcg_out_opc_sa(s, OPC_ROTR, args[0], args[0], 16);
break;
case INDEX_op_ext8s_i32:
--
1.7.10.4