diff options
| author | Martin Storsjö <martin@martin.st> | 2020-03-23 15:34:26 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2020-03-26 13:31:23 +0300 |
| commit | f481d69b0ffac087504036375d505f4323d7ef5e (patch) | |
| tree | 6ee72636f44417ed30f8d54f70eac43ed0be09d2 /src/arm/64 | |
| parent | 641ef4cc9fa2a12d53be2e75e9690e7b8ff4e605 (diff) | |
arm64: ipred: Do shifts on only half the register width when possible
In these cases, we only need the value of the first element.
Diffstat (limited to 'src/arm/64')
| -rw-r--r-- | src/arm/64/ipred.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/arm/64/ipred.S b/src/arm/64/ipred.S index 6b77535..00a9112 100644 --- a/src/arm/64/ipred.S +++ b/src/arm/64/ipred.S @@ -1717,19 +1717,19 @@ function ipred_cfl_top_neon, export=1 4: ld1r {v0.2s}, [x2] uaddlv h0, v0.8b - urshr v0.8h, v0.8h, #3 + urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w4) 8: ld1 {v0.8b}, [x2] uaddlv h0, v0.8b - urshr v0.8h, v0.8h, #3 + urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w8) 16: ld1 {v0.16b}, [x2] uaddlv h0, v0.16b - urshr v0.8h, v0.8h, #4 + urshr v0.4h, v0.4h, #4 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w16) 32: @@ -1737,7 +1737,7 @@ function ipred_cfl_top_neon, export=1 uaddlv h2, v2.16b uaddlv h3, v3.16b add v2.4h, v2.4h, v3.4h - urshr v2.8h, v2.8h, #5 + urshr v2.4h, v2.4h, #5 dup v0.8h, v2.h[0] b L(ipred_cfl_splat_w16) @@ -1772,21 +1772,21 @@ function ipred_cfl_left_neon, export=1 L(ipred_cfl_left_h4): ld1r {v0.2s}, [x2] uaddlv h0, v0.8b - urshr v0.8h, v0.8h, #3 + urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] br x9 L(ipred_cfl_left_h8): ld1 {v0.8b}, [x2] uaddlv h0, v0.8b - urshr v0.8h, v0.8h, #3 + urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] br x9 L(ipred_cfl_left_h16): ld1 {v0.16b}, [x2] uaddlv h0, v0.16b - urshr v0.8h, v0.8h, #4 + urshr v0.4h, v0.4h, #4 dup v0.8h, v0.h[0] br x9 @@ -1795,7 +1795,7 @@ L(ipred_cfl_left_h32): uaddlv h2, v2.16b uaddlv h3, v3.16b add v2.4h, v2.4h, v3.4h - urshr v2.8h, v2.8h, #5 + urshr v2.4h, v2.4h, #5 dup v0.8h, v2.h[0] br x9 |