From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [5597] target-ppc: simplify slw, srw, sld, srd
Date: Sun, 02 Nov 2008 08:22:46 +0000 [thread overview]
Message-ID: <E1KwYEQ-0006qb-5d@cvs.savannah.gnu.org> (raw)
Revision: 5597
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5597
Author: aurel32
Date: 2008-11-02 08:22:45 +0000 (Sun, 02 Nov 2008)
Log Message:
-----------
target-ppc: simplify slw, srw, sld, srd
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2008-11-02 08:22:34 UTC (rev 5596)
+++ trunk/target-ppc/translate.c 2008-11-02 08:22:45 UTC (rev 5597)
@@ -1959,12 +1959,11 @@
l2 = gen_new_label();
t0 = tcg_temp_local_new(TCG_TYPE_TL);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
- tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l2);
@@ -2018,12 +2017,11 @@
l2 = gen_new_label();
t0 = tcg_temp_local_new(TCG_TYPE_TL);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
- tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
t1 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0);
@@ -2043,12 +2041,11 @@
l2 = gen_new_label();
t0 = tcg_temp_local_new(TCG_TYPE_TL);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40);
- tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l2);
tcg_temp_free(t0);
@@ -2106,12 +2103,11 @@
l2 = gen_new_label();
t0 = tcg_temp_local_new(TCG_TYPE_TL);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40);
- tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l2);
tcg_temp_free(t0);
reply other threads:[~2008-11-02 8:22 UTC|newest]
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