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[PATCH 6/7] tcg/ppc: Disable USE_REG_TB for Power v3.1
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From: |
Richard Henderson |
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Subject: |
[PATCH 6/7] tcg/ppc: Disable USE_REG_TB for Power v3.1 |
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Date: |
Fri, 4 Aug 2023 14:33:54 -0700 |
With Power v3.1, we have pc-relative addressing and so
do not require a register holding the current TB.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/ppc/tcg-target.c.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index e8eced7cf3..5b243b2353 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -83,7 +83,7 @@
#define TCG_VEC_TMP2 TCG_REG_V1
#define TCG_REG_TB TCG_REG_R31
-#define USE_REG_TB (TCG_TARGET_REG_BITS == 64)
+#define USE_REG_TB (TCG_TARGET_REG_BITS == 64 && !have_isa_3_10)
/* Shorthand for size of a pointer. Avoid promotion to unsigned. */
#define SZP ((int)sizeof(void *))
--
2.34.1
- [PATCH for-8.2 0/7] tcg/ppc: Support power10 prefixed instructions, Richard Henderson, 2023/08/04
- [PATCH 2/7] tcg/ppc: Use PADDI in tcg_out_movi, Richard Henderson, 2023/08/04
- [PATCH 1/7] tcg/ppc: Untabify tcg-target.c.inc, Richard Henderson, 2023/08/04
- [PATCH 3/7] tcg/ppc: Use prefixed instructions in tcg_out_mem_long, Richard Henderson, 2023/08/04
- [PATCH 4/7] tcg/ppc: Use PLD in tcg_out_movi for constant pool, Richard Henderson, 2023/08/04
- [PATCH 6/7] tcg/ppc: Disable USE_REG_TB for Power v3.1,
Richard Henderson <=
- [PATCH 7/7] tcg/ppc: Use prefixed instructions for tcg_out_goto_tb, Richard Henderson, 2023/08/04
- Re: [PATCH 7/7] tcg/ppc: Use prefixed instructions for tcg_out_goto_tb, Jordan Niethe, 2023/08/07
[PATCH 5/7] tcg/ppc: Use prefixed instructions in tcg_out_dupi_vec, Richard Henderson, 2023/08/04