From fdce4963ea58ec2405e87b2edf96f8c93275d919 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Sun, 2 Nov 2008 08:23:14 +0000 Subject: [PATCH] target-ppc: use the new subfi wrapper (...and fix rldnm) Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5600 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-ppc/translate.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 3be4d70b1..4f17076ab 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1747,7 +1747,7 @@ GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me; - TCGv t0, t1, t2, t3; + TCGv t0, t1, t2; mb = MB(ctx->opcode); me = ME(ctx->opcode); @@ -1757,9 +1757,7 @@ GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); t2 = tcg_temp_new(TCG_TYPE_TL); tcg_gen_shl_tl(t2, t1, t0); - t3 = tcg_const_tl(32); - tcg_gen_sub_tl(t0, t3, t0); - tcg_temp_free(t3); + tcg_gen_subfi_tl(t0, 32, t0); tcg_gen_shr_tl(t1, t1, t0); tcg_temp_free(t0); tcg_gen_or_tl(t2, t2, t1); @@ -1872,7 +1870,7 @@ GEN_PPC64_R4(rldic, 0x1E, 0x04); static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb, uint32_t me) { - TCGv t0, t1, t2; + TCGv t0, t1; mb = MB(ctx->opcode); me = ME(ctx->opcode); @@ -1880,9 +1878,7 @@ static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb, tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); t1 = tcg_temp_new(TCG_TYPE_TL); tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t0); - t2 = tcg_const_tl(32); - tcg_gen_sub_tl(t0, t2, t0); - tcg_temp_free(t2); + tcg_gen_subfi_tl(t0, 64, t0); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_or_tl(t1, t1, t0); tcg_temp_free(t0);