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Merge pull request #3567 from cenewcombe/develop
Fix unsafe read of Y in zsymv_L_sse2.Stags/v0.3.21
Martin Kroeker
GitHub
4 years ago
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 15 deletions
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-
+16 -15kernel/x86_64/zsymv_L_sse2.S
+ 16
- 15
kernel/x86_64/zsymv_L_sse2.S
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| @@ -452,11 +452,6 @@ | |||||
| MOVDDUP(4 * SIZE, A1, a1) | MOVDDUP(4 * SIZE, A1, a1) | ||||
| movsd 0 * SIZE(YY), yy1 | |||||
| movhpd 1 * SIZE(YY), yy1 | |||||
| movsd 2 * SIZE(YY), yy2 | |||||
| movhpd 3 * SIZE(YY), yy2 | |||||
| movapd 8 * SIZE(XX), xtemp1 | movapd 8 * SIZE(XX), xtemp1 | ||||
| movapd 10 * SIZE(XX), xtemp2 | movapd 10 * SIZE(XX), xtemp2 | ||||
| movapd 12 * SIZE(XX), xtemp3 | movapd 12 * SIZE(XX), xtemp3 | ||||
| @@ -475,6 +470,12 @@ | |||||
| MOVDDUP(6 * SIZE - (4 * SIZE), A2, a2) | MOVDDUP(6 * SIZE - (4 * SIZE), A2, a2) | ||||
| ALIGN_3 | ALIGN_3 | ||||
| .L12_prep: | |||||
| movsd 0 * SIZE(YY), yy1 | |||||
| movhpd 1 * SIZE(YY), yy1 | |||||
| movsd 2 * SIZE(YY), yy2 | |||||
| movhpd 3 * SIZE(YY), yy2 | |||||
| .L12: | .L12: | ||||
| movapd xtemp1, xt1 | movapd xtemp1, xt1 | ||||
| mulpd a1, xt1 | mulpd a1, xt1 | ||||
| @@ -608,8 +609,6 @@ | |||||
| movlpd yy2, 6 * SIZE(YY) | movlpd yy2, 6 * SIZE(YY) | ||||
| movhpd yy2, 7 * SIZE(YY) | movhpd yy2, 7 * SIZE(YY) | ||||
| movsd 10 * SIZE(YY), yy2 | |||||
| movhpd 11 * SIZE(YY), yy2 | |||||
| movapd xtemp2, xt1 | movapd xtemp2, xt1 | ||||
| movapd 18 * SIZE(XX), xtemp2 | movapd 18 * SIZE(XX), xtemp2 | ||||
| @@ -621,8 +620,6 @@ | |||||
| movlpd yy1, 4 * SIZE(YY) | movlpd yy1, 4 * SIZE(YY) | ||||
| movhpd yy1, 5 * SIZE(YY) | movhpd yy1, 5 * SIZE(YY) | ||||
| movsd 8 * SIZE(YY), yy1 | |||||
| movhpd 9 * SIZE(YY), yy1 | |||||
| subq $-16 * SIZE, XX | subq $-16 * SIZE, XX | ||||
| addq $ 8 * SIZE, YY | addq $ 8 * SIZE, YY | ||||
| @@ -630,7 +627,8 @@ | |||||
| addq $ 8 * SIZE, A2 | addq $ 8 * SIZE, A2 | ||||
| decq I | decq I | ||||
| jg .L12 | |||||
| jg .L12_prep | |||||
| jmp .L15 | |||||
| ALIGN_3 | ALIGN_3 | ||||
| .L14: | .L14: | ||||
| @@ -641,7 +639,6 @@ | |||||
| jle .L16 | jle .L16 | ||||
| MOVDDUP(6 * SIZE - (4 * SIZE), A2, a2) | MOVDDUP(6 * SIZE - (4 * SIZE), A2, a2) | ||||
| jmp .L15_pastcheck | |||||
| .L15: | .L15: | ||||
| movq M, I | movq M, I | ||||
| @@ -650,6 +647,11 @@ | |||||
| testq $2, I | testq $2, I | ||||
| jle .L16 | jle .L16 | ||||
| movsd 0 * SIZE(YY), yy1 | |||||
| movhpd 1 * SIZE(YY), yy1 | |||||
| movsd 2 * SIZE(YY), yy2 | |||||
| movhpd 3 * SIZE(YY), yy2 | |||||
| .L15_pastcheck: | .L15_pastcheck: | ||||
| movapd xtemp1, xt1 | movapd xtemp1, xt1 | ||||
| mulpd a1, xt1 | mulpd a1, xt1 | ||||
| @@ -705,8 +707,6 @@ | |||||
| movlpd yy2, 2 * SIZE(YY) | movlpd yy2, 2 * SIZE(YY) | ||||
| movhpd yy2, 3 * SIZE(YY) | movhpd yy2, 3 * SIZE(YY) | ||||
| movsd 6 * SIZE(YY), yy2 | |||||
| movhpd 7 * SIZE(YY), yy2 | |||||
| movapd xtemp2, xt1 | movapd xtemp2, xt1 | ||||
| movapd 10 * SIZE(XX), xtemp2 | movapd 10 * SIZE(XX), xtemp2 | ||||
| @@ -717,8 +717,6 @@ | |||||
| movlpd yy1, 0 * SIZE(YY) | movlpd yy1, 0 * SIZE(YY) | ||||
| movhpd yy1, 1 * SIZE(YY) | movhpd yy1, 1 * SIZE(YY) | ||||
| movsd 4 * SIZE(YY), yy1 | |||||
| movhpd 5 * SIZE(YY), yy1 | |||||
| addq $4 * SIZE, YY | addq $4 * SIZE, YY | ||||
| addq $4 * SIZE, A1 | addq $4 * SIZE, A1 | ||||
| @@ -731,6 +729,9 @@ | |||||
| MOVDDUP(1 * SIZE, A1, a2) | MOVDDUP(1 * SIZE, A1, a2) | ||||
| movsd 0 * SIZE(YY), yy1 | |||||
| movhpd 1 * SIZE(YY), yy1 | |||||
| movapd xtemp1, xt1 | movapd xtemp1, xt1 | ||||
| mulpd a1, xt1 | mulpd a1, xt1 | ||||
| mulpd atemp1, a1 | mulpd atemp1, a1 | ||||