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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-15 17:48:19 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-22 16:32:27 -0700 |
| commit | cc3f99aac41903362521fac551b835abe369659a (patch) | |
| tree | cd83ce542f5d0417f3bd0c8bc981715b34d7c3cb /tcg | |
| parent | 1958dbbd2a79b9fe7cae80da66e04e11b86f5455 (diff) | |
| download | qemu-cc3f99aac41903362521fac551b835abe369659a.zip qemu-cc3f99aac41903362521fac551b835abe369659a.tar.gz qemu-cc3f99aac41903362521fac551b835abe369659a.tar.bz2 | |
tcg/ppc: Disable TCG_REG_TB for Power9/Power10
This appears to slightly improve performance on power9/10.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/ppc/tcg-target.c.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 6496f76..c31da4d 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_00) /* Shorthand for size of a pointer. Avoid promotion to unsigned. */ #define SZP ((int)sizeof(void *)) |