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Re: [Qemu-devel] [PATCH 6/9] tcg/optimize: optimize "op r, a, a => movi
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 6/9] tcg/optimize: optimize "op r, a, a => movi r, 0" |
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Date: |
Wed, 19 Sep 2012 14:46:55 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120828 Thunderbird/15.0 |
On 09/19/2012 01:00 PM, Aurelien Jarno wrote:
> + /* Simplify expression for "op r, a, a => movi r, 0" cases */
> + switch (op) {
> + CASE_OP_32_64(andc):
> + CASE_OP_32_64(sub):
> + CASE_OP_32_64(xor):
For completeness, nand, orc, eqv r, a, a -> -1.
Reviewed-by: Richard Henderson <address@hidden>
r~
- [Qemu-devel] [PATCH 0/9] tcg/optimize: rework copy propagation, Aurelien Jarno, 2012/09/19
- [Qemu-devel] [PATCH 6/9] tcg/optimize: optimize "op r, a, a => movi r, 0", Aurelien Jarno, 2012/09/19
- Re: [Qemu-devel] [PATCH 6/9] tcg/optimize: optimize "op r, a, a => movi r, 0",
Richard Henderson <=
- [Qemu-devel] [PATCH 4/9] tcg/optimize: do copy propagation for all operations, Aurelien Jarno, 2012/09/19
- [Qemu-devel] [PATCH 1/9] tcg/optimizer: remove TCG_TEMP_ANY, Aurelien Jarno, 2012/09/19
- [Qemu-devel] [PATCH 9/9] tcg: remove #ifdef #endif around TCGOpcode tests, Aurelien Jarno, 2012/09/19
- [Qemu-devel] [PATCH 2/9] tcg/optimizer: check types in copy propagation, Aurelien Jarno, 2012/09/19