diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-12 10:31:23 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-12 10:31:23 +0100 |
commit | 176c454765b88c71d8b1ef474bc0fd53cb253a08 (patch) | |
tree | 76a2aee9ab3ae7f94661faf305d1b7b7b82b5cb3 /src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c | |
parent | 1f135456795adfb1d739a6fb66ab9540aa79b461 (diff) | |
parent | aa66f08a21b791f338b519f0c2162cd8f7b3aeb0 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-0.2
Conflicts:
progs/fp/Makefile
Diffstat (limited to 'src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c')
-rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c index 61010e4333..a04cc6c4ff 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c @@ -473,21 +473,48 @@ EMIT_R (spe_mtspr, 0x10c); void spe_load_float(struct spe_function *p, unsigned rT, float x) { - union { - float f; - unsigned u; - } bits; - bits.f = x; - spe_ilhu(p, rT, bits.u >> 16); - spe_iohl(p, rT, bits.u & 0xffff); + if (x == 0.0f) { + spe_il(p, rT, 0x0); + } + else if (x == 0.5f) { + spe_ilhu(p, rT, 0x3f00); + } + else if (x == 1.0f) { + spe_ilhu(p, rT, 0x3f80); + } + else if (x == -1.0f) { + spe_ilhu(p, rT, 0xbf80); + } + else { + union { + float f; + unsigned u; + } bits; + bits.f = x; + spe_ilhu(p, rT, bits.u >> 16); + spe_iohl(p, rT, bits.u & 0xffff); + } } void spe_load_int(struct spe_function *p, unsigned rT, int i) { - spe_ilhu(p, rT, i >> 16); - spe_iohl(p, rT, i & 0xffff); + if (-32768 <= i && i <= 32767) { + spe_il(p, rT, i); + } + else { + spe_ilhu(p, rT, i >> 16); + spe_iohl(p, rT, i & 0xffff); + } +} + + +void +spe_splat(struct spe_function *p, unsigned rT, unsigned rA) +{ + spe_ila(p, rT, 66051); + spe_shufb(p, rT, rA, rA, rT); } |