From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, Richard Henderson <rth@twiddle.net>
Subject: [Qemu-devel] [PULL 20/23] tcg/arm: Use constant pool for call
Date: Thu, 7 Sep 2017 15:40:48 -0700 [thread overview]
Message-ID: <20170907224051.21518-21-richard.henderson@linaro.org> (raw)
In-Reply-To: <20170907224051.21518-1-richard.henderson@linaro.org>
From: Richard Henderson <rth@twiddle.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
tcg/arm/tcg-target.inc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index 2736022d5a..db46aea38c 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -1054,10 +1054,7 @@ static void tcg_out_goto(TCGContext *s, int cond, tcg_insn_unit *addr)
tcg_out_b(s, cond, disp);
return;
}
-
- assert(use_armv5t_instructions || (addri & 1) == 0);
- tcg_out_movi32(s, cond, TCG_REG_TMP, addri);
- tcg_out_bx(s, cond, TCG_REG_TMP);
+ tcg_out_movi_pool(s, cond, TCG_REG_PC, addri);
}
/* The call case is mostly used for helpers - so it's not unreasonable
@@ -1081,9 +1078,9 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *addr)
tcg_out_movi32(s, COND_AL, TCG_REG_TMP, addri);
tcg_out_blx(s, COND_AL, TCG_REG_TMP);
} else {
+ /* ??? Know that movi_pool emits exactly 2 insns. */
tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R14, TCG_REG_PC, 4);
- tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
- tcg_out32(s, addri);
+ tcg_out_movi_pool(s, COND_AL, TCG_REG_PC, addri);
}
}
--
2.13.5
next prev parent reply other threads:[~2017-09-07 22:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-07 22:40 [Qemu-devel] [PULL 00/23] tcg constant pools and USE_DIRECT_JUMP cleanup Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 01/23] tcg: Move USE_DIRECT_JUMP discriminator to tcg/cpu/tcg-target.h Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 02/23] tcg: Rearrange ldst label tracking Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 03/23] tcg: Infrastructure for managing constant pools Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 04/23] tcg/i386: Store out-of-range call targets in constant pool Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 05/23] tcg/s390: Introduce TCG_REG_TB Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 06/23] tcg/s390: Fix sign of patch_reloc addend Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 07/23] tcg/s390: Use constant pool for movi Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 08/23] tcg/s390: Use constant pool for andi Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 09/23] tcg/s390: Use constant pool for ori Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 10/23] tcg/s390: Use constant pool for xori Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 11/23] tcg/s390: Use constant pool for cmpi Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 12/23] tcg/aarch64: Use constant pool for movi Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 13/23] tcg/sparc: Introduce TCG_REG_TB Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 14/23] tcg/sparc: Use constant pool for movi Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 15/23] tcg/arm: Improve tlb load for armv7 Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 16/23] tcg/arm: Tighten tlb indexing offset test Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 17/23] tcg/arm: Code rearrangement Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 18/23] tcg/arm: Extract INSN_NOP Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 19/23] tcg/arm: Use constant pool for movi Richard Henderson
2017-09-07 22:40 ` Richard Henderson [this message]
2017-09-07 22:40 ` [Qemu-devel] [PULL 21/23] tcg/ppc: Change TCG_REG_RA to TCG_REG_TB Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 22/23] tcg/ppc: Look for shifted constants Richard Henderson
2017-09-07 22:40 ` [Qemu-devel] [PULL 23/23] tcg/ppc: Use constant pool for movi Richard Henderson
2017-09-08 11:56 ` [Qemu-devel] [PULL 00/23] tcg constant pools and USE_DIRECT_JUMP cleanup Peter Maydell
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