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tcg: add negsetcondi

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This can be useful to write a shift bit extraction that does not
depend on TARGET_LONG_BITS.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20231019104648.389942-15-pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Paolo Bonzini 2023-10-19 12:46:43 +02:00 committed by Richard Henderson
parent 46c684c862
commit 93c86ecd77
3 changed files with 18 additions and 0 deletions
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4
include/tcg/tcg-op-common.h
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@ -346,6 +346,8 @@ void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, int32_t arg2);
void tcg_gen_negsetcond_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, TCGv_i32 arg2);
void tcg_gen_negsetcondi_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, int32_t arg2);
void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, TCGv_i32 c1,
TCGv_i32 c2, TCGv_i32 v1, TCGv_i32 v2);
void tcg_gen_add2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
@ -544,6 +546,8 @@ void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, int64_t arg2);
void tcg_gen_negsetcond_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, TCGv_i64 arg2);
void tcg_gen_negsetcondi_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, int64_t arg2);
void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, TCGv_i64 c1,
TCGv_i64 c2, TCGv_i64 v1, TCGv_i64 v2);
void tcg_gen_add2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,

2
include/tcg/tcg-op.h
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@ -199,6 +199,7 @@ DEF_ATOMIC2(tcg_gen_atomic_umax_fetch, i64)
#define tcg_gen_setcond_tl tcg_gen_setcond_i64
#define tcg_gen_setcondi_tl tcg_gen_setcondi_i64
#define tcg_gen_negsetcond_tl tcg_gen_negsetcond_i64
#define tcg_gen_negsetcondi_tl tcg_gen_negsetcondi_i64
#define tcg_gen_mul_tl tcg_gen_mul_i64
#define tcg_gen_muli_tl tcg_gen_muli_i64
#define tcg_gen_div_tl tcg_gen_div_i64
@ -317,6 +318,7 @@ DEF_ATOMIC2(tcg_gen_atomic_umax_fetch, i64)
#define tcg_gen_setcond_tl tcg_gen_setcond_i32
#define tcg_gen_setcondi_tl tcg_gen_setcondi_i32
#define tcg_gen_negsetcond_tl tcg_gen_negsetcond_i32
#define tcg_gen_negsetcondi_tl tcg_gen_negsetcondi_i32
#define tcg_gen_mul_tl tcg_gen_mul_i32
#define tcg_gen_muli_tl tcg_gen_muli_i32
#define tcg_gen_div_tl tcg_gen_div_i32

12
tcg/tcg-op.c
View File

@ -291,6 +291,12 @@ void tcg_gen_negsetcond_i32(TCGCond cond, TCGv_i32 ret,
}
}
void tcg_gen_negsetcondi_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, int32_t arg2)
{
tcg_gen_negsetcond_i32(cond, ret, arg1, tcg_constant_i32(arg2));
}
void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
{
if (arg2 == 0) {
@ -1602,6 +1608,12 @@ void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
}
}
void tcg_gen_negsetcondi_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, int64_t arg2)
{
tcg_gen_negsetcond_i64(cond, ret, arg1, tcg_constant_i64(arg2));
}
void tcg_gen_negsetcond_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, TCGv_i64 arg2)
{