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[02/12] tcg/mips: Move TCG_GUEST_BASE_REG to S7

Message ID 20230408030359.3368868-3-richard.henderson@linaro.org
State New
Headers show
Series tcg/mips: Backend improvements | expand

Commit Message

Richard Henderson April 8, 2023, 3:03 a.m. UTC 
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(-)
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Patch

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 */
 };