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tcg/ppc: Add TCG_CT_CONST_CMP

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Better constraint for tcg_out_cmp, based on the comparison.
We can't yet remove the fallback to load constants into a
scratch because of tcg_out_cmp2, but that path should not
be as frequent.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-28 02:09:03 +00:00
parent 2f2faef6b0
commit 282ef7e8ef
3 changed files with 44 additions and 10 deletions
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tcg/ppc/tcg-target-con-str.h
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@ -16,6 +16,7 @@ REGS('v', ALL_VECTOR_REGS)
* Define constraint letters for constants:
* CONST(letter, TCG_CT_CONST_* bit set)
*/
CONST('C', TCG_CT_CONST_CMP)
CONST('I', TCG_CT_CONST_S16)
CONST('M', TCG_CT_CONST_MONE)
CONST('T', TCG_CT_CONST_S32)