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tcg/ppc: Disable TCG_REG_TB for Power9/Power10

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This appears to slightly improve performance on power9/10.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-15 17:48:19 +00:00
parent 1958dbbd2a
commit cc3f99aac4
1 changed files with 1 additions and 1 deletions
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2
tcg/ppc/tcg-target.c.inc
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@ -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_00)
/* Shorthand for size of a pointer. Avoid promotion to unsigned. */
#define SZP ((int)sizeof(void *))