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| author | Christian Borntraeger <cborntra@de.ibm.com> | 2006-09-28 10:55:46 -0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-09-28 10:55:46 -0400 |
| commit | 0efa470363699ecba49e67cc3c75f46b300f98a4 (patch) | |
| tree | a27ea609d8a45369fa47d016839fc94db8f80cdb /arch/s390/Makefile | |
| parent | d9f7a745d55527d0d41684b22506a86c4381f7f1 (diff) | |
[S390] config option for z9-109 code generation.
Add a kernel config option for the IBM System z9. This will produce
faster code on newer compilers using the -march=z9-109 option.
Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Makefile')
| -rw-r--r-- | arch/s390/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 74ef57dcfa60..5deb9f7544a1 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile | |||
| @@ -33,6 +33,7 @@ endif | |||
| 33 | cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) | 33 | cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) |
| 34 | cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) | 34 | cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) |
| 35 | cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) | 35 | cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) |
| 36 | cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109) | ||
| 36 | 37 | ||
| 37 | # | 38 | # |
| 38 | # Prevent tail-call optimizations, to get clearer backtraces: | 39 | # Prevent tail-call optimizations, to get clearer backtraces: |