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[PATCH 02/12] tcg/mips: Move TCG_GUEST_BASE_REG to S7
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From: |
Richard Henderson |
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Subject: |
[PATCH 02/12] tcg/mips: Move TCG_GUEST_BASE_REG to S7 |
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Date: |
Fri, 7 Apr 2023 20:03:49 -0700 |
No functional change; just moving the saved reserved regs to the end.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/mips/tcg-target.c.inc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc
index c24b780818..cc4ca2ddbe 100644
--- a/tcg/mips/tcg-target.c.inc
+++ b/tcg/mips/tcg-target.c.inc
@@ -86,7 +86,7 @@ static const char * const
tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
#define TCG_TMP3 TCG_REG_T7
#ifndef CONFIG_SOFTMMU
-#define TCG_GUEST_BASE_REG TCG_REG_S1
+#define TCG_GUEST_BASE_REG TCG_REG_S7
#endif
/* check if we really need so many registers :P */
@@ -2500,7 +2500,7 @@ static const int tcg_target_callee_save_regs[] = {
TCG_REG_S4,
TCG_REG_S5,
TCG_REG_S6,
- TCG_REG_S7,
+ TCG_REG_S7, /* used for guest_base */
TCG_REG_S8, /* used for the global env (TCG_AREG0) */
TCG_REG_RA, /* should be last for ABI compliance */
};
--
2.34.1
- [PATCH for-8.1 00/12] tcg/mips: Backend improvements, Richard Henderson, 2023/04/07
- [PATCH 02/12] tcg/mips: Move TCG_GUEST_BASE_REG to S7,
Richard Henderson <=
- [PATCH 01/12] tcg/mips: Move TCG_AREG0 to S8, Richard Henderson, 2023/04/07
- [PATCH 03/12] tcg/mips: Unify TCG_GUEST_BASE_REG tests, Richard Henderson, 2023/04/07
- [PATCH 05/12] tcg/mips: Split out tcg_out_movi_one, Richard Henderson, 2023/04/07
- [PATCH 09/12] tcg/mips: Try tb-relative addresses in tcg_out_movi, Richard Henderson, 2023/04/07
- [PATCH 10/12] tcg/mips: Try three insns with shift and add in tcg_out_movi, Richard Henderson, 2023/04/07
- [PATCH 08/12] tcg/mips: Aggressively use the constant pool for n64 calls, Richard Henderson, 2023/04/07
- [PATCH 07/12] tcg/mips: Use the constant pool for 64-bit constants, Richard Henderson, 2023/04/07