diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-12-08 17:28:19 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-01-06 23:07:06 +0000 |
| commit | b2509acc60f9380ee2473074c6999dcefd9284fc (patch) | |
| tree | b0f0f1cb3b25fc1f791a8b93e04490e3b1edcd58 /tcg/s390x/tcg-target-con-str.h | |
| parent | a0332aca67772b8858d455b5b8d7f972843b3d4e (diff) | |
tcg/s390x: Tighten constraints for or_i64 and xor_i64
Drop support for sequential OR and XOR, as the serial dependency is
slower than loading the constant first. Let the register allocator
handle such immediates by matching only what one insn can achieve.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/s390x/tcg-target-con-str.h')
| -rw-r--r-- | tcg/s390x/tcg-target-con-str.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tcg/s390x/tcg-target-con-str.h b/tcg/s390x/tcg-target-con-str.h index 76446aecae..7b910d6d11 100644 --- a/tcg/s390x/tcg-target-con-str.h +++ b/tcg/s390x/tcg-target-con-str.h @@ -20,4 +20,5 @@ REGS('o', 0xaaaa) /* odd numbered general regs */ CONST('A', TCG_CT_CONST_S33) CONST('I', TCG_CT_CONST_S16) CONST('J', TCG_CT_CONST_S32) +CONST('K', TCG_CT_CONST_P32) CONST('Z', TCG_CT_CONST_ZERO) |