netdev - [PATCH net-next 3/8] sparc: bpf_jit_comp: add JMP instructions for BPF JIT

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Message-Id: <6cbad4d58b4ef03c7ac1fbdb22e09ad8fe5954c0.1356960070.git.dborkman@redhat.com>
Date:	Mon, 31 Dec 2012 14:59:43 +0100
From:	Daniel Borkmann <dborkman@...hat.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next 3/8] sparc: bpf_jit_comp: add JMP instructions for BPF JIT

This patch is a follow-up for patch "net: bpf: add lt,le jump
operations to bpf machine" that implements BPF SPARC JIT parts
for BPF JMP_LT/JMP_LE operations.

Signed-off-by: Daniel Borkmann <dborkman@...hat.com>
---
 arch/sparc/net/bpf_jit_comp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 3109ca6..f5b4fc9 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -691,10 +691,14 @@ common_load_ind:		seen |= SEEN_DATAREF | SEEN_XREG;
 
 			COND_SEL(BPF_S_JMP_JGT_K, BGU, BLEU);
 			COND_SEL(BPF_S_JMP_JGE_K, BGEU, BLU);
+			COND_SEL(BPF_S_JMP_JLT_K, BLU, BGEU);
+			COND_SEL(BPF_S_JMP_JLE_K, BLEU, BGU);
 			COND_SEL(BPF_S_JMP_JEQ_K, BE, BNE);
 			COND_SEL(BPF_S_JMP_JSET_K, BNE, BE);
 			COND_SEL(BPF_S_JMP_JGT_X, BGU, BLEU);
 			COND_SEL(BPF_S_JMP_JGE_X, BGEU, BLU);
+			COND_SEL(BPF_S_JMP_JLT_X, BLU, BGEU);
+			COND_SEL(BPF_S_JMP_JLE_X, BLEU, BGU);
 			COND_SEL(BPF_S_JMP_JEQ_X, BE, BNE);
 			COND_SEL(BPF_S_JMP_JSET_X, BNE, BE);
 
@@ -711,6 +715,8 @@ cond_branch:			f_offset = addrs[i + filter[i].jf];
 				switch (filter[i].code) {
 				case BPF_S_JMP_JGT_X:
 				case BPF_S_JMP_JGE_X:
+				case BPF_S_JMP_JLT_X:
+				case BPF_S_JMP_JLE_X:
 				case BPF_S_JMP_JEQ_X:
 					seen |= SEEN_XREG;
 					emit_cmp(r_A, r_X);
@@ -722,6 +728,8 @@ cond_branch:			f_offset = addrs[i + filter[i].jf];
 				case BPF_S_JMP_JEQ_K:
 				case BPF_S_JMP_JGT_K:
 				case BPF_S_JMP_JGE_K:
+				case BPF_S_JMP_JLT_K:
+				case BPF_S_JMP_JLE_K:
 					if (is_simm13(K)) {
 						emit_cmpi(r_A, K);
 					} else {
-- 
1.7.11.7

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