From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PULL 30/39] tcg/sparc64: Support TCG_COND_TST{EQ,NE}
Date: Mon, 5 Feb 2024 07:40:43 +1000 [thread overview]
Message-ID: <20240204214052.5639-31-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240204214052.5639-1-richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/sparc64/tcg-target.h | 2 +-
tcg/sparc64/tcg-target.c.inc | 16 ++++++++++++++--
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/tcg/sparc64/tcg-target.h b/tcg/sparc64/tcg-target.h
index ae2910c4ee..a18906a14e 100644
--- a/tcg/sparc64/tcg-target.h
+++ b/tcg/sparc64/tcg-target.h
@@ -149,7 +149,7 @@ extern bool use_vis3_instructions;
#define TCG_TARGET_HAS_qemu_ldst_i128 0
-#define TCG_TARGET_HAS_tst 0
+#define TCG_TARGET_HAS_tst 1
#define TCG_AREG0 TCG_REG_I0
diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc
index 10fb8a1a0d..176c98740b 100644
--- a/tcg/sparc64/tcg-target.c.inc
+++ b/tcg/sparc64/tcg-target.c.inc
@@ -607,9 +607,11 @@ static void tcg_out_div32(TCGContext *s, TCGReg rd, TCGReg rs1,
uns ? ARITH_UDIV : ARITH_SDIV);
}
-static const uint8_t tcg_cond_to_bcond[] = {
+static const uint8_t tcg_cond_to_bcond[16] = {
[TCG_COND_EQ] = COND_E,
[TCG_COND_NE] = COND_NE,
+ [TCG_COND_TSTEQ] = COND_E,
+ [TCG_COND_TSTNE] = COND_NE,
[TCG_COND_LT] = COND_L,
[TCG_COND_GE] = COND_GE,
[TCG_COND_LE] = COND_LE,
@@ -649,7 +651,8 @@ static void tcg_out_bpcc(TCGContext *s, int scond, int flags, TCGLabel *l)
static void tcg_out_cmp(TCGContext *s, TCGCond cond,
TCGReg c1, int32_t c2, int c2const)
{
- tcg_out_arithc(s, TCG_REG_G0, c1, c2, c2const, ARITH_SUBCC);
+ tcg_out_arithc(s, TCG_REG_G0, c1, c2, c2const,
+ is_tst_cond(cond) ? ARITH_ANDCC : ARITH_SUBCC);
}
static void tcg_out_brcond_i32(TCGContext *s, TCGCond cond, TCGReg arg1,
@@ -744,6 +747,15 @@ static void tcg_out_setcond_i32(TCGContext *s, TCGCond cond, TCGReg ret,
cond = (cond == TCG_COND_EQ ? TCG_COND_GEU : TCG_COND_LTU);
break;
+ case TCG_COND_TSTEQ:
+ case TCG_COND_TSTNE:
+ /* Transform to inequality vs zero. */
+ tcg_out_arithc(s, TCG_REG_T1, c1, c2, c2const, ARITH_AND);
+ c1 = TCG_REG_G0;
+ c2 = TCG_REG_T1, c2const = 0;
+ cond = (cond == TCG_COND_TSTEQ ? TCG_COND_GEU : TCG_COND_LTU);
+ break;
+
case TCG_COND_GTU:
case TCG_COND_LEU:
/* If we don't need to load a constant into a register, we can
--
2.34.1
next prev parent reply other threads:[~2024-02-04 21:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-04 21:40 [PULL 00/39] tcg patch queue Richard Henderson
2024-02-04 21:40 ` [PULL 01/39] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 02/39] tcg: Introduce TCG_TARGET_HAS_tst Richard Henderson
2024-02-04 21:40 ` [PULL 03/39] tcg/optimize: Split out arg_is_const_val Richard Henderson
2024-02-04 21:40 ` [PULL 04/39] tcg/optimize: Split out do_constant_folding_cond1 Richard Henderson
2024-02-04 21:40 ` [PULL 05/39] tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2 Richard Henderson
2024-02-04 21:40 ` [PULL 06/39] tcg/optimize: Handle TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 07/39] tcg/optimize: Lower TCG_COND_TST{EQ,NE} if unsupported Richard Henderson
2024-02-04 21:40 ` [PULL 08/39] target/alpha: Pass immediate value to gen_bcond_internal() Richard Henderson
2024-02-04 21:40 ` [PULL 09/39] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S} Richard Henderson
2024-02-04 21:40 ` [PULL 10/39] target/alpha: Use TCG_COND_TST{EQ,NE} for CMOVLB{C,S} Richard Henderson
2024-02-04 21:40 ` [PULL 11/39] target/alpha: Use TCG_COND_TSTNE for gen_fold_mzero Richard Henderson
2024-02-04 21:40 ` [PULL 12/39] target/m68k: Use TCG_COND_TST{EQ,NE} in gen_fcc_cond Richard Henderson
2024-02-04 21:40 ` [PULL 13/39] target/sparc: Use TCG_COND_TSTEQ in gen_op_mulscc Richard Henderson
2024-02-04 21:40 ` [PULL 14/39] target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM} Richard Henderson
2024-02-04 21:40 ` [PULL 15/39] target/s390x: Improve general case of disas_jcc Richard Henderson
2024-02-04 21:40 ` [PULL 16/39] tcg: Add TCGConst argument to tcg_target_const_match Richard Henderson
2024-02-04 21:40 ` [PULL 17/39] tcg/aarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 18/39] tcg/aarch64: Massage tcg_out_brcond() Richard Henderson
2024-02-04 21:40 ` [PULL 19/39] tcg/aarch64: Generate TBZ, TBNZ Richard Henderson
2024-02-04 21:40 ` [PULL 20/39] tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX Richard Henderson
2024-02-04 21:40 ` [PULL 21/39] tcg/arm: Split out tcg_out_cmp() Richard Henderson
2024-02-04 21:40 ` [PULL 22/39] tcg/arm: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 23/39] tcg/i386: Pass x86 condition codes to tcg_out_cmov Richard Henderson
2024-02-04 21:40 ` [PULL 24/39] tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp Richard Henderson
2024-02-04 21:40 ` [PULL 25/39] tcg/i386: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 26/39] tcg/i386: Improve TSTNE/TESTEQ vs powers of two Richard Henderson
2024-02-04 21:40 ` [PULL 27/39] tcg/i386: Use TEST r,r to test 8/16/32 bits Richard Henderson
2024-02-04 21:40 ` [PULL 28/39] tcg/sparc64: Hoist read of tcg_cond_to_rcond Richard Henderson
2024-02-04 21:40 ` [PULL 29/39] tcg/sparc64: Pass TCGCond to tcg_out_cmp Richard Henderson
2024-02-04 21:40 ` Richard Henderson [this message]
2024-02-04 21:40 ` [PULL 31/39] tcg/ppc: Sink tcg_to_bc usage into tcg_out_bc Richard Henderson
2024-02-04 21:40 ` [PULL 32/39] tcg/ppc: Use cr0 in tcg_to_bc and tcg_to_isel Richard Henderson
2024-02-04 21:40 ` [PULL 33/39] tcg/ppc: Tidy up tcg_target_const_match Richard Henderson
2024-02-04 21:40 ` [PULL 34/39] tcg/ppc: Add TCG_CT_CONST_CMP Richard Henderson
2024-02-04 21:40 ` [PULL 35/39] tcg/ppc: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 36/39] tcg/s390x: Split constraint A into J+U Richard Henderson
2024-02-04 21:40 ` [PULL 37/39] tcg/s390x: Add TCG_CT_CONST_CMP Richard Henderson
2024-02-04 21:40 ` [PULL 38/39] tcg/s390x: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-02-04 21:40 ` [PULL 39/39] tcg/tci: " Richard Henderson
2024-02-05 12:59 ` [PULL 00/39] tcg patch queue Peter Maydell
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