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Handle INCX=0,INCY=0 case
Fixes #1575 (sswap/dswap failing the swap utest on x86) as suggested by atsampson.
tags/v0.3.1
Martin Kroeker
GitHub
7 years ago
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with
8 additions and
0 deletions
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kernel/x86/swap.S
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@@ -138,6 +138,14 @@ |
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/* INCX != 1 or INCY != 1 */ |
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.L14: |
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cmpl $0, %ebx |
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jne .L141 |
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cmpl $0, %ecx |
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jne .L141 |
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/* INCX == 0 and INCY == 0 */ |
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jmp .L27 |
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.L141 |
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movl %edx, %eax |
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sarl $2, %eax |
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jle .L28 |
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