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[v2,2/9] target/alpha: Hoist branch shift to initial decode

Message ID 20240503072014.24751-3-philmd@linaro.org
State New
Headers show
Series target/alpha: Implement CF_PCREL | expand

Commit Message

Philippe Mathieu-Daudé May 3, 2024, 7:20 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/alpha/translate.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index a97cd54f0c..52c2e6248b 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -432,7 +432,7 @@  static bool use_goto_tb(DisasContext *ctx, uint64_t dest)
 
 static DisasJumpType gen_bdirect(DisasContext *ctx, int ra, int32_t disp)
 {
-    uint64_t dest = ctx->base.pc_next + (disp << 2);
+    uint64_t dest = ctx->base.pc_next + disp;
 
     if (ra != 31) {
         tcg_gen_movi_i64(ctx->ir[ra], ctx->base.pc_next);
@@ -455,7 +455,7 @@  static DisasJumpType gen_bdirect(DisasContext *ctx, int ra, int32_t disp)
 static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
                                         TCGv cmp, uint64_t imm, int32_t disp)
 {
-    uint64_t dest = ctx->base.pc_next + (disp << 2);
+    uint64_t dest = ctx->base.pc_next + disp;
     TCGLabel *lab_true = gen_new_label();
 
     if (use_goto_tb(ctx, dest)) {
@@ -1382,7 +1382,7 @@  static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
     real_islit = islit = extract32(insn, 12, 1);
     lit = extract32(insn, 13, 8);
 
-    disp21 = sextract32(insn, 0, 21);
+    disp21 = sextract32(insn, 0, 21) * 4;
     disp16 = sextract32(insn, 0, 16);
     disp12 = sextract32(insn, 0, 12);