From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [PULL 31/34] tcg/sparc: Use the constant pool for 64-bit constants
Date: Fri, 11 Feb 2022 12:30:56 +1100 [thread overview]
Message-ID: <20220211013059.17994-32-richard.henderson@linaro.org> (raw)
In-Reply-To: <20220211013059.17994-1-richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/sparc/tcg-target.c.inc | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tcg/sparc/tcg-target.c.inc b/tcg/sparc/tcg-target.c.inc
index 213aba4be6..e78945d153 100644
--- a/tcg/sparc/tcg-target.c.inc
+++ b/tcg/sparc/tcg-target.c.inc
@@ -336,6 +336,13 @@ static bool patch_reloc(tcg_insn_unit *src_rw, int type,
insn &= ~INSN_OFF19(-1);
insn |= INSN_OFF19(pcrel);
break;
+ case R_SPARC_13:
+ if (!check_fit_ptr(value, 13)) {
+ return false;
+ }
+ insn &= ~INSN_IMM13(-1);
+ insn |= INSN_IMM13(value);
+ break;
default:
g_assert_not_reached();
}
@@ -479,6 +486,14 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
return;
}
+ /* Use the constant pool, if possible. */
+ if (!in_prologue && USE_REG_TB) {
+ new_pool_label(s, arg, R_SPARC_13, s->code_ptr,
+ tcg_tbrel_diff(s, NULL));
+ tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(TCG_REG_TB));
+ return;
+ }
+
/* A 64-bit constant decomposed into 2 32-bit pieces. */
if (check_fit_i32(lo, 13)) {
hi = (arg - lo) >> 32;
--
2.25.1
next prev parent reply other threads:[~2022-02-11 1:57 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-11 1:30 [PULL 00/34] tcg patch queue Richard Henderson
2022-02-11 1:30 ` [PULL 01/34] common-user/host/sparc64: Fix safe_syscall_base Richard Henderson
2022-02-11 1:30 ` [PULL 02/34] linux-user: Introduce host_signal_mask Richard Henderson
2022-02-11 1:30 ` [PULL 03/34] linux-user: Introduce host_sigcontext Richard Henderson
2022-02-11 1:30 ` [PULL 04/34] linux-user: Move sparc/host-signal.h to sparc64/host-signal.h Richard Henderson
2022-02-11 1:30 ` [PULL 05/34] linux-user/include/host/sparc64: Fix host_sigcontext Richard Henderson
2022-02-11 1:30 ` [PULL 06/34] accel/tcg: Optimize jump cache flush during tlb range flush Richard Henderson
2022-02-11 1:30 ` [PULL 07/34] softmmu/cpus: Check if the cpu work list is empty atomically Richard Henderson
2022-02-11 1:30 ` [PULL 08/34] replay: use CF_NOIRQ for special exception-replaying TB Richard Henderson
2022-02-11 1:30 ` [PULL 09/34] tcg/loongarch64: Fix fallout from recent MO_Q renaming Richard Henderson
2022-02-11 1:30 ` [PULL 10/34] tcg/i386: Support raising sigbus for user-only Richard Henderson
2022-02-11 1:30 ` [PULL 11/34] tcg/aarch64: " Richard Henderson
2022-02-11 1:30 ` [PULL 12/34] tcg/ppc: " Richard Henderson
2022-02-11 1:30 ` [PULL 13/34] tcg/riscv: " Richard Henderson
2022-02-11 1:30 ` [PULL 14/34] tcg/s390x: " Richard Henderson
2022-02-11 1:30 ` [PULL 15/34] tcg/tci: " Richard Henderson
2022-02-11 1:30 ` [PULL 16/34] tcg/loongarch64: " Richard Henderson
2022-02-11 1:30 ` [PULL 17/34] tcg/arm: Drop support for armv4 and armv5 hosts Richard Henderson
2022-02-11 1:30 ` [PULL 18/34] tcg/arm: Remove use_armv5t_instructions Richard Henderson
2022-02-11 1:30 ` [PULL 19/34] tcg/arm: Remove use_armv6_instructions Richard Henderson
2022-02-11 1:30 ` [PULL 20/34] tcg/arm: Check alignment for ldrd and strd Richard Henderson
2022-02-11 1:30 ` [PULL 21/34] tcg/arm: Support unaligned access for softmmu Richard Henderson
2022-02-11 1:30 ` [PULL 22/34] tcg/arm: Reserve a register for guest_base Richard Henderson
2022-02-11 1:30 ` [PULL 23/34] tcg/arm: Support raising sigbus for user-only Richard Henderson
2022-02-11 1:30 ` [PULL 24/34] tcg/mips: Support unaligned access " Richard Henderson
2022-02-11 1:30 ` [PULL 25/34] tcg/mips: Support unaligned access for softmmu Richard Henderson
2022-02-11 1:30 ` [PULL 26/34] tcg/sparc: Use tcg_out_movi_imm13 in tcg_out_addsub2_i64 Richard Henderson
2022-02-11 1:30 ` [PULL 27/34] tcg/sparc: Split out tcg_out_movi_imm32 Richard Henderson
2022-02-11 1:30 ` [PULL 28/34] tcg/sparc: Add scratch argument to tcg_out_movi_int Richard Henderson
2022-02-11 1:30 ` [PULL 29/34] tcg/sparc: Improve code gen for shifted 32-bit constants Richard Henderson
2022-02-11 1:30 ` [PULL 30/34] tcg/sparc: Convert patch_reloc to return bool Richard Henderson
2022-02-11 1:30 ` Richard Henderson [this message]
2022-02-11 1:30 ` [PULL 32/34] tcg/sparc: Add tcg_out_jmpl_const for better tail calls Richard Henderson
2022-02-11 1:30 ` [PULL 33/34] tcg/sparc: Support unaligned access for user-only Richard Henderson
2022-02-11 1:30 ` [PULL 34/34] tests/tcg/multiarch: Add sigbus.c Richard Henderson
2022-02-14 19:53 ` [PULL 00/34] tcg patch queue Peter Maydell
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