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[Bug rtl-optimization/19680] sub-optimial register allocation with sse
- From: "tbptbp at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2005 18:59:35 -0000
- Subject: [Bug rtl-optimization/19680] sub-optimial register allocation with sse
- References: <20050128233416.19680.tbptbp@gmail.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From tbptbp at gmail dot com 2005-01-30 18:59 -------
Ah! Seems that another temporary isn't eliminated, much like
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19274, this time with _mm_set1_epi32.
40129b: 89 44 24 1c mov %eax,0x1c(%esp)
40129f: 66 0f 6e 64 24 1c movd 0x1c(%esp),%xmm4
4012a5: 66 0f 70 cc 00 pshufd $0x0,%xmm4,%xmm1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19680