From: Blue Swirl <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [4561] Implement 64-bit constant loads
Date: Sat, 24 May 2008 18:09:50 +0000 [thread overview]
Message-ID: <E1JzyBi-0002g2-Hl@cvs.savannah.gnu.org> (raw)
Revision: 4561
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4561
Author: blueswir1
Date: 2008-05-24 18:09:50 +0000 (Sat, 24 May 2008)
Log Message:
-----------
Implement 64-bit constant loads
Modified Paths:
--------------
trunk/tcg/sparc/tcg-target.c
Modified: trunk/tcg/sparc/tcg-target.c
===================================================================
--- trunk/tcg/sparc/tcg-target.c 2008-05-24 18:06:35 UTC (rev 4560)
+++ trunk/tcg/sparc/tcg-target.c 2008-05-24 18:09:50 UTC (rev 4561)
@@ -267,24 +267,37 @@
tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
}
-static inline void tcg_out_movi(TCGContext *s, TCGType type,
- int ret, tcg_target_long arg)
+static inline void tcg_out_movi_imm13(TCGContext *s, int ret, uint32_t arg)
{
-#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
- if (!check_fit_tl(arg, 32) && (arg & ~0xffffffff) != 0)
- fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg);
-#endif
+ tcg_out_arithi(s, ret, TCG_REG_G0, arg, ARITH_OR);
+}
+
+static inline void tcg_out_movi_imm32(TCGContext *s, int ret, uint32_t arg)
+{
if (check_fit_i32(arg, 13))
- tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
- INSN_IMM13(arg));
+ tcg_out_movi_imm13(s, ret, arg);
else {
tcg_out_sethi(s, ret, arg);
if (arg & 0x3ff)
- tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
- INSN_IMM13(arg & 0x3ff));
+ tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
}
}
+static inline void tcg_out_movi(TCGContext *s, TCGType type,
+ int ret, tcg_target_long arg)
+{
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+ if (!check_fit_tl(arg, 32) && (arg & ~0xffffffffULL) != 0) {
+ // XXX ret may be I5, need another temp
+ tcg_out_movi_imm32(s, TCG_REG_I5, arg >> 32);
+ tcg_out_arithi(s, TCG_REG_I5, TCG_REG_I5, 32, SHIFT_SLLX);
+ tcg_out_movi_imm32(s, ret, arg);
+ tcg_out_arith(s, ret, ret, TCG_REG_I5, ARITH_OR);
+ } else
+#endif
+ tcg_out_movi_imm32(s, ret, arg);
+}
+
static inline void tcg_out_ld_raw(TCGContext *s, int ret,
tcg_target_long arg)
{
@@ -296,15 +309,14 @@
static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
tcg_target_long arg)
{
+ if (!check_fit_tl(arg, 10))
+ tcg_out_movi(s, TCG_TYPE_PTR, ret, arg & ~0x3ffULL);
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
- if (!check_fit_tl(arg, 32) && (arg & ~0xffffffff) != 0)
- fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
- if (!check_fit_i32(arg, 13))
- tcg_out_sethi(s, ret, arg);
tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
INSN_IMM13(arg & 0x3ff));
#else
- tcg_out_ld_raw(s, ret, arg);
+ tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
+ INSN_IMM13(arg & 0x3ff));
#endif
}
reply other threads:[~2008-05-24 18:09 UTC|newest]
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