[v4] TCI fixes and cleanups

[PATCH v4 40/71] tcg/tci: Move call-return regs to end of tcg_target_reg_alloc_order

Richard Henderson posted 71 patches 4 years, 11 months ago

Diff against v1 v2 v3 v5 v6 v7
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Maintainers: Eduardo Habkost <ehabkost@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, David Gibson <david@gibson.dropbear.id.au>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Paolo Bonzini <pbonzini@redhat.com>, Fam Zheng <fam@euphon.net>, "Philippe Mathieu-Daudé" <philmd@redhat.com>, Stefan Weil <sw@weilnetz.de>, Laurent Vivier <laurent@vivier.eu>, Richard Henderson <richard.henderson@linaro.org>, Greg Kurz <groug@kaod.org>

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[PATCH v4 40/71] tcg/tci: Move call-return regs to end of tcg_target_reg_alloc_order

Posted by Richard Henderson 4 years, 11 months ago

As the only call-clobbered regs for TCI, these should
receive the least priority.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tci/tcg-target.c.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index 4dae09deda..53edc50a3b 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -170,8 +170,6 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
 }
 
 static const int tcg_target_reg_alloc_order[] = {
-    TCG_REG_R0,
-    TCG_REG_R1,
     TCG_REG_R2,
     TCG_REG_R3,
     TCG_REG_R4,
@@ -186,6 +184,8 @@ static const int tcg_target_reg_alloc_order[] = {
     TCG_REG_R13,
     TCG_REG_R14,
     TCG_REG_R15,
+    TCG_REG_R1,
+    TCG_REG_R0,
 };
 
 #if MAX_OPC_PARAM_IARGS != 6
-- 
2.25.1